Counties
2 Matching Results
Results open in a new window/tab.
Results:
1 - 2 of
2
Drill.
Patent for modified drill bit to improve "boring through rocks or other hard substances." (lines 10-11) including illustrations.
Date:
May 8, 1917
Creator:
Hensley, Sewell S.
System:
The Portal to Texas History
Stovepipe-Anchor for Tents
Patent for a "stove pipe anchor for use on tents and other portable structures" (lines 9-12) in order to reduce draft and prevent "entrance of the elements" (lines 14-15) through the hole in the tent, including illustrations and instructions.
Date:
November 6, 1917
Creator:
Fitch, Morgan L.
System:
The Portal to Texas History