3 Matching Results

Results open in a new window/tab.

Lock for Automobiles (open access)

Lock for Automobiles

Patent for a new inexpensive, secure, and convenient to use lock for automobiles to be secured against theft, or use, while the lock is attached.
Date: May 3, 1921
Creator: Godbey, Walter H., Jr.
System: The Portal to Texas History
Lifting Clamp for Well Casings (open access)

Lifting Clamp for Well Casings

Patent for a lifting clamp for well casings. It is designed to make the lifting of well casings easier and safer for those attaching the clamp to the lifting mechanism.
Date: July 3, 1917
Creator: Kibele, Eugene
System: The Portal to Texas History
Hoisting Drum. (open access)

Hoisting Drum.

Patent for an invention that "relates to improvements in hoisting drums" (line 15-16). Structure, objective, and illustrations of hoisting drums are included.
Date: July 3, 1917
Creator: Howard, Henry Fischer
System: The Portal to Texas History