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Dental Chair.

Description: Patent for a dental chair improvement.
Date: April 26, 1887
Creator: Stiles, Edmund P.
Partner: UNT Libraries Government Documents Department

Improvement in Instruments for Filling Teeth

Description: Patent for improvement in instruments for filling teeth. "The object of this invention is to furnish an improved mode of filling teeth, by the use of which the filling may be built up, hardened, and polished at once, so that the filling will be as hard as marble when the patient leaves the operator's chair, and so that they can be immediately used for masticating."
Date: February 29, 1876
Creator: Ludwig, Carl D.
Partner: UNT Libraries Government Documents Department

Tooth

Description: Patent for an artificial tooth. Illustrations included.
Date: July 26, 1910
Creator: Stallman, George E.
Partner: UNT Libraries Government Documents Department

Improvement in Compositions for Filling Teeth.

Description: Patent for a new compound for use as a tooth filling as related to dentistry. Names all of the ingredients forming the compound and lists the necessary proportions of each ingredient.
Date: February 9, 1875
Creator: Erlenmeyer, Erwin
Partner: UNT Libraries Government Documents Department

Toothbrush.

Description: Patent for a new and improved toothbrush that has a rotary brush which turns while the user brushes it back and forth over their teeth and a hollow stem that sends water to the brush while it is in use.
Date: November 2, 1920
Creator: Simon, John
Partner: UNT Libraries Government Documents Department

Syringe.

Description: Patent for a syringe that will inject or throw liquid and is piston-operated. "In its special organization the device is particularly adapted for males and treatment of diseases to which they are heir, and is light, neat, and compact, so as to be easily carried in the pocket" (lines 18-22).
Date: September 3, 1895
Creator: Putegnat, Joseph L.
Partner: UNT Libraries Government Documents Department

Portable Dental Chair.

Description: Patent for a simple portable dental chair meant for traveling dentists. It adjusts easily and folds compactly.
Date: January 15, 1895
Creator: Lovejoy, Edward Harrison
Partner: UNT Libraries Government Documents Department

Current-Controler or Rheostat.

Description: Patent for an electric-current control or rheostat to be used when a "close, accurate, and absolute graduation of the current is necessary" (lines 15-16), in places "where a very delicate graduation is necessary either in passing the plain galvanic current or where the current is used for producing anesthesia" (lines 19-21).
Date: December 29, 1896
Creator: Werner, Ernest Emil
Partner: UNT Libraries Government Documents Department

Impression Cake

Description: Patent for a new type of impression cake meant for the creation of dental and other kinds of molds.
Date: May 13, 1919
Creator: Downie, James H.
Partner: UNT Libraries Government Documents Department

Dental Implement

Description: Patent for a dental implement that features a tool useful for dentists when filling teeth and also is adapted to contain filling material for instant availability and use during dental procedures.
Date: December 2, 1919
Creator: Edwards, Walker A., Jr.
Partner: UNT Libraries Government Documents Department

Dental Impression-Tray.

Description: Patent for improvements in dental impression trays that is adaptable for when there is only one or a partial set of teeth. There is a separate, smaller dental impression tray that is easily accessible and can be adapted to take impressions of one tooth or partial teeth.
Date: August 31, 1920
Creator: Littlejohn, Thomas F.
Partner: UNT Libraries Government Documents Department

Dental Dam-Holder.

Description: Patent for improvement in dental dam-holders.
Date: April 17, 1900
Creator: Myers, Samuel M.
Partner: UNT Libraries Government Documents Department

Dental Appliance.

Description: Patent for a dental appliance attachment for a dental engine.
Date: December 9, 1913
Creator: Ballenger, Curtis M.
Partner: UNT Libraries Government Documents Department

Dental Instrument.

Description: Patent for a new dental instrument that extracts "swollen portions of the gum where it extends over the tooth" (lines 11-13), including illustration. Use of the instrument is meant to replace the common, but "objectionable" (line 56), practice of lancing the gum.
Date: April 4, 1916
Creator: Knox, Eldon Lemoin
Partner: UNT Libraries Government Documents Department

Dental Instrument.

Description: Patent for a new and improved dental instrument "designed to be used for removing the enamel around the base of a tooth preparatory to crowning the same and may be also employed for the purpose of removing crowns from teeth" (lines 12-16), including illustrations.
Date: August 22, 1916
Creator: Hamilton, Arthur L.
Partner: UNT Libraries Government Documents Department

Dental Instrument.

Description: Patent for a dental-instrument holder which suitable handle allows to hold a clamping rod firmly while reaching out the difficult cavities and surfaces during the teeth cleaning.
Date: September 1, 1903
Creator: Harrell, Hardy B.
Partner: UNT Libraries Government Documents Department

Dental Handpiece

Description: Patent for a dental hand piece for dental tools so that they may be held or rotated at an angle relative to the hand piece. Illustrations included.
Date: February 2, 1909
Creator: Mayes, Robert Martin
Partner: UNT Libraries Government Documents Department

Dental Swaging Apparatus

Description: Patent for a dental apparatus that produces gold facings and cusps for individual teeth, as well as plate and bridge work.
Date: July 31, 1906
Creator: Crawford, Lyter H.
Partner: UNT Libraries Government Documents Department

Dentistry

Description: Patent for a device to tighten and hold loose teeth to the jaw.
Date: November 11, 1902
Creator: Martin, George G.
Partner: UNT Libraries Government Documents Department

Dental Clamp.

Description: Patent for a dental clamp "for holding pins for securement to metallic cover-plates for fillings" (lines 8-10), with illustrations.
Date: January 29, 1901
Creator: Mayes, Robert Martin
Partner: UNT Libraries Government Documents Department

Dental or Surgical Chair.

Description: Patent for a dental or surgical chair that is adjustable, light and portable. The chair can be adjusted "without the employment of a raising device using fluid or any sub-basal mechanism" (lines 57-59), and can be adjusted with little effort. The chair's decent can be monitored. It can be easily assembled and disassembled for transport.
Date: August 28, 1894
Creator: Stiles, Edmund Pease
Partner: UNT Libraries Government Documents Department

Dental-Care Attachment.

Description: Patent for a dental-chair attachment mean to support a table to hold instruments, a waste-bowl, a lamp, glasses, and other things a dentist might need. The attachment can easily be separated and adjusted.
Date: July 2, 1895
Creator: Mayes, Robert Martin
Partner: UNT Libraries Government Documents Department

Dental Bridgework.

Description: Patent for dental bridgework with "an improved slotted crown, cap, or band for attaching the bridges to the natural teeth" (lines 9-10).
Date: July 2, 1895
Creator: Bray, Bernard B.
Partner: UNT Libraries Government Documents Department

Dental-Plate-Polishing Tool.

Description: Patent for a machine that dresses or reduces dental plates uniformly, and can dress dental plates to any thickness. It also can "provide permanently-exposed means for indicating the thickness to which the plate is being reduced" (lines 16-19). It will not puncture or weaken dental plates.
Date: October 13, 1896
Creator: Barnes, Preston B.
Partner: UNT Libraries Government Documents Department
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