Vehicle (open access)

Vehicle

Patent for a vehicle that can carry heavy loads and can turn around in a small space and can turn easily on a crooked road.
Date: July 1, 1919
Creator: Menning, Otto H.
System: The Portal to Texas History
Nut Lock. (open access)

Nut Lock.

Patent for a new and improved nut lock. This design "consists of a volute spring-washer which is formed of a stiff or steel strong plate that is coiled or set up in . . . an edgewise manner, and is provided with one or more projections or spurs on its top and bottom surfaces, adapted to engage with the under side of the nut and the fish-plate or other object, said spurs or projections being formed on the top and the bottom edges of the inner and outer coils of the spring-washer" (lines 20-29).
Date: July 1, 1884
Creator: Campbell, Eli F.; Noble, Laroy C. & Howe, Milton G.
System: The Portal to Texas History
Sealing Device. (open access)

Sealing Device.

Patent for improvements in the design of devices used for sealing car doors, including illustrations and a description. The device is designed in such a way that the seal may not be removed in the locked position without breaking the door, thus preventing theft.
Date: July 1, 1913
Creator: Fox, Charles E.
System: The Portal to Texas History