Resource Type

2 Matching Results

Results open in a new window/tab.

Automatic Wrench (open access)

Automatic Wrench

Patent for an automatic wrench. The wrench possesses a locking movable jaw. Illustrations included.
Date: January 7, 1913
Creator: Clay, Samuel
System: The Portal to Texas History
Horseshoe. (open access)

Horseshoe.

Patent for horseshoes that can be attached to the horses' foot without nails.
Date: September 7, 1920
Creator: Lainweber, Mary C.
System: The Portal to Texas History