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Index and Trial-Balance.

Description: Patent for improvement in indexes and trial-balances by using removable spring-strips to hold all the papers together in one place and can be easily remove when needed. Illustration is included.
Date: April 2, 1901
Creator: Templeton, Allison
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel

Description: Patent for a hydraulic swivel made to control back pressure and designed to be resistant to wear. Illustrations included.
Date: December 10, 1907
Creator: Johnston, Horace G. & Norris, Joseph B.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydraulic Swivel

Description: Patent for a hydraulic swivel. This design produced a mechanism for supporting a supply hose in a given position.
Date: October 27, 1903
Creator: Johnston, Horace G.; Sturm, William P. & Sturm, Jacob W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for Hydrocarbon burner for heating oil along with the steam. This burner will also improve the process of atomizing discharge.
Date: July 22, 1902
Creator: Higgins, James Franklin
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Switch.

Description: Patent for a switch in which it can be “automatically operated by a moving train either for the purpose of opening or closing the switch, under the control of the engineer, who without stopping the train may open the switch and run his train onto the switch-rails or a siding without slowing up the train further than is necessary to avoid derailing the train when passing from the main line to the switch or siding.” (Lines 11-20) Illustration is included.
Date: May 17, 1904
Creator: Harris, Irvin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Pump Attachment for Portable Cans

Description: Patent for a pump attachment for portable cans. This invention is designed to be a attachable/detachable pump for use with coal-oil cans. Its purpose is meant for the transfer of coal oil to lamps.
Date: September 29, 1903
Creator: Blackmon, Paul Jones
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Spark Arrester

Description: Patent for spark arrester. This invention is adapted for use with locomotives. Illustration included.
Date: November 9, 1909
Creator: Ridgway, Elzie L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Hub-Attaching Device.

Description: Patent for device to attach vehicle wheel hubs to axles and spindles without screw-threads, including description and illustrations.
Date: October 15, 1901
Creator: Anderson, Nathan S.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for a plow. Illustration included.
Date: October 12, 1909
Creator: Newton, James W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow.

Description: Patent for improving the construction of plows. "The invention relates particularly to that class of plows in which a landslide is permanently attached to the depending portion of the beam." (lines 13-16)
Date: September 30, 1902
Creator: Hankins, Elias
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Plow

Description: Patent for "an improved plow especially adapted for use in plowing down listed or bedded land to reduce the same to a level and also adapted for other purposes" .(lines 11-14). The plow is designed to improve the physical construction of the plow making it better and stronger while eliminating past flaws.
Date: September 12, 1905
Creator: Killingsworth, Robert Lee
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Oil-Purifier

Description: Patent for "a construction wherein the oil may be quickly and economically heated to cause the impurities to separate from the oil" (lines 9-12).
Date: August 13, 1901
Creator: Carter, George Fitzhugh
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railway Cross-Tie.

Description: Patent for a railway cross-tie with concrete and metal parts, which is adjustable to different gages.
Date: November 24, 1908
Creator: Drane, Frank N. & Drane, Hugh A.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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