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3 Matching Results
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Improvement in Chairs.
Patent for improvement in chairs consisting of self-adjusting chair-backs.
Date:
November 5, 1872
Creator:
Haupt, William W.
System:
The Portal to Texas History
Improvement in Hand-Vises.
Patent for hand vise to use as a tool for mechanics to hold small articles, can be attached to bits or augers for gauging the depth of a hole bored, and also for countersinking such holes for screws.
Date:
November 19, 1872
Creator:
Overton, Thomas
System:
The Portal to Texas History
Improvement in bale-ties
Patent for cotton bale ties, involving a lateral arm. Includes illustrations.
Date:
November 26, 1872
Creator:
Lloyd, Arnold
System:
The Portal to Texas History