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Safety-Razor-Blade Sharpener.

Description: Patent for a safety razor blade sharpener with an improved arrangement of the metal grinding elements and a novel blade holder that can hold various types of blades and sharpen both sides, including illustrations.
Date: May 8, 1917
Creator: Hauser, Peter D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Sash-Holder.

Description: Patent for "new and useful Improvements in Sash-Holders" (lines 5-6). "My invention relates to sash holders... and the object of my invention is to so change the construction of said patented sash holder as to simplify, cheapen and otherwise improve the same" (lines 13-19).
Date: December 7, 1915
Creator: Hart, Joel T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety Railroad Appliance

Description: Patent for a railroad safety appliance, which "may be readily installed in connection with the air brake system of a train and be automatically operated to bleed the air line and effect the applying of the brakes in the event of displacement of the brake beam and thereby avoid possible displacement of the car."
Date: May 26, 1914
Creator: Kush, John, Jr.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Secondary Battery.

Description: Patent for a type of storage battery that is "simple in construction, light in weight, durable in operation, and not liable to injury or deterioration", and that can be charged easily multiple times, Patent includes instructions and an illustration.
Date: March 28, 1916
Creator: Luthy, Joseph O.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for a rotary engine that uses steam as a motive agent. Illustrations included.
Date: February 18, 1913
Creator: Allan, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Safety-Valve Mechanism for Pneumatic Tires.

Description: Patent for useful improvements on safety valve mechanism for Pneumatic Tires. This invention constructs a mechanism to control air pressure within the tire in order to prevent bursting from over charging, heating, sudden compression is avoided.
Date: January 31, 1917
Creator: Gebhardt, William C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Shipping Unit

Description: Patent for "a shipping unit or carrier for the transportation of merchandise as freight, express, or baggage" (lines 8-10).
Date: January 26, 1915
Creator: Terry, James W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Signal-Lamp for Vehicles.

Description: Patent for a signal lamp for a vehicle. The signal lamp is constructed in a way only so that only one light is required to illuminate rear and sign signals, and the sign or number.
Date: September 19, 1911
Creator: Puckett, Almor M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Resilient Wheel.

Description: Patent for a wheel made of metal that is secured to the rim without slipping or creeping, including illustrations
Date: April 30, 1918
Creator: Bonelli, Liborio C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Revolving Case and Account Register

Description: Patent for revolving case and cash register. This device is designed as an account system and provides customers with and account book for keeping records. Illustrations included.
Date: June 25, 1912
Creator: Trenton, Albert E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nozzle For Cotton Pickers.

Description: Patent for a nozzle for cotton pickers that uses suction to pull a cotton boll away from the cotton burr, including instructions and illustrations.
Date: September 1, 1914
Creator: Hartwell, George Harry, Jr.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Headlight.

Description: Patent for a headlight, which can have a curtain mounted and drawn across it.
Date: July 19, 1910
Creator: Bennack, Frank P.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dirigible Headlight

Description: Patent for an improved lamp bracket which will decrease vibration and increase stability. Connective devices from the steering mechanism to the headlight are also improved to increase responsiveness.
Date: February 12, 1918
Creator: Wogenstahl, Leo J.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Display or Advertising Device.

Description: Patent for a dimple, durable display or advertising device "which may be easily and conveniently used for displaying or exposing an advertising sign in a manner to attract attention to the same" (lines 14-17), including instructions and illustrations.
Date: May 14, 1918
Creator: Fox, William N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cylinder Head.

Description: Patent for improvement in removable cylinder heads for gas engines. Exhaust gasses and foreign matter pass through the conduits without affecting the valve stem.
Date: October 22, 1918
Creator: Bloomber, H. G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Differential Construction

Description: Patent for "a new and Improved Differential Construction" (lines 5-6). "The object of the present invention is to provide a differential particularly suitable for motor vehicles... whereby the spinning of the wheels... is effectually prevented while the relative movement thereof necessary in passing around curves is freely allowed" (lines 22-31).
Date: May 21, 1919
Creator: Reagan, Edgar U. G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Dirigible Headlight.

Description: Patent for new invention in automobile. This is made of low cost and highly efficient. This is operated from the steering gear of the automobile.
Date: June 13, 1916
Creator: Pepple, John. W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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