Resource Type
Counties
3 Matching Results
Results open in a new window/tab.
Results:
1 - 3 of
3
Ballot-Voting Machine
Patent for a ballot box that counts the number of votes in the box.
Date:
February 17, 1914
Creator:
Brown, Flora & Senez, Arthur
System:
The Portal to Texas History
Drill-Collar.
Patent for improved drill collar for "connecting a drill shank to the pipe" (lines 11-12).
Date:
December 15, 1914
Creator:
Means, Able C.
System:
The Portal to Texas History
Pipe-Grapple.
Patent for an improved pipe gripping mechanism which engages the interior of a pipe or tube.
Date:
June 30, 1914
Creator:
Martin, John E.
System:
The Portal to Texas History