Resource Type

Trap-Gun. (open access)

Trap-Gun.

Patent for a simple, inexpensive gun with a hook and rod mechanism that can be baited such that if an animal tries to remove the bait the gun discharges killing the animal.
Date: June 2, 1914
Creator: Lovelace, Charles D.
System: The Portal to Texas History
Freezing-Plug. (open access)

Freezing-Plug.

Patent for freezing plug. This device prevents pipes from bursting when frozen.
Date: November 2, 1915
Creator: Howell, John W.
System: The Portal to Texas History