Collection
Counties
Decade
Month
Day
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Clamp
Patent for a clamp for well tubes that can be used to remove the tubes for repair.
Date:
August 13, 1912
Creator:
Maxwell, Thomas A.
System:
The Portal to Texas History
Check-Protector.
Patent for check-protectors that prevent unauthorized tampering with perforating rollers with springs and jaws.
Date:
March 13, 1917
Creator:
McCombs, Charles Cleveland
System:
The Portal to Texas History
Process of Tanning.
Patent for improvements in tanning by steaming the broom-weed (Amphiachyris dracunculoides) to extract liquor and gradually condense the liquor into a strong solution as tanning ingredient for treatment of hides or skins. No illustration.
Date:
October 13, 1891
Creator:
Turner, Robert W.
System:
The Portal to Texas History
Slide-Scraper
Patent for a slide scraper. The objective of this invention is to create a more efficient slide scraper that allows the attention of the operator to remain on the draft horse and the work.
Date:
November 13, 1917
Creator:
Elrod, Albert K.
System:
The Portal to Texas History