Resource Type

Automobile-Lock. (open access)

Automobile-Lock.

Patent for a padlock and mount for the steering column of an automobile.
Date: December 2, 1919
Creator: Ritchie, Allen A.
System: The Portal to Texas History
Valve Remover. (open access)

Valve Remover.

Patent for "an improvement in combination tools...adapted for use with internal combustion engines...mechanism is provided for assisting in valve removing." [lines 8-14]
Date: December 2, 1919
Creator: Ingram, George W.
System: The Portal to Texas History
Well Capping Device. (open access)

Well Capping Device.

Patent for "new and useful improvements in a well capping device." [lines 9-10]
Date: December 2, 1919
Creator: Thrift, Homer C.
System: The Portal to Texas History
Device for Forming Screens (open access)

Device for Forming Screens

Patent for a device for forming screens that consist of perforated pipes and screening wires, which will prevent displaced wires and torn pipes during use.
Date: December 2, 1919
Creator: Edwards, Charles R.
System: The Portal to Texas History