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Switch Lock for Motor Vehicles.

Description: Patent for "certain new and useful improvements in Switch-Locks for motor vehicles", including instructions and illustrations.
Date: February 20, 1917
Creator: Frank, Gustav
Partner: UNT Libraries Government Documents Department

Car Brake.

Description: Patent for a new and improved brake for railroad cars. This design "consists in the combination, with the brake, of an angle-lever on the end part of the car, a draw-head on the car, a lever pivoted on the same, a rod connecting the said lever with the angle-lever, a toothed locking-bar on the standard, and a pin on the lever on the standard" (lines 10-16).
Date: July 21, 1885
Creator: Daudelin, Joseph M.T.
Partner: UNT Libraries Government Documents Department

Bill or Paper File.

Description: Patent for a new and improved bill or paper file. This design "relates to hook-files, the object being to so improve their construction as to prevent the bills or papers on the file from working off. The invention consists, essentially, in a file provided with a tongue pivoted near the point of the hook" (lines 7-13).
Date: August 9, 1887
Creator: Gilbert, Frank B.
Partner: UNT Libraries Government Documents Department

Millstone-Dress.

Description: Patent for millstone dress using mill stone.
Date: July 20, 1858
Creator: Loy, George W.
Partner: UNT Libraries Government Documents Department

Mower.

Description: Patent for a new mower designed for use with a single horse and provide a device where the sickle bar may be adjusted at various heights.
Date: July 5, 1921
Creator: Nelson, John Bryon
Partner: UNT Libraries Government Documents Department

Apparatus for Transmitting Power.

Description: Patent for a new invention which uses a combination of radiation and levers in order more efficiently transmit power. The patent includes instructions and illustrations.
Date: February 8, 1870
Creator: Williams, Blasius
Partner: UNT Libraries Government Documents Department

Apparatus for Cooling Journal-Boxes on Railway-Trains

Description: Patent for an apparatus for cooling journal boxes on trains by sending water to the journal boxes from a water system installed in each car.
Date: April 19, 1910
Creator: Andrews, Walter P.
Partner: UNT Libraries Government Documents Department
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