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4 Matching Results
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Lifting-Jack.
Patent for a simple and durable lifting jack for wagons that is easily operated and does not move the hoisting lever in the post.
Date:
December 5, 1893
Creator:
Ball, Charles W.
System:
The Portal to Texas History
Sash Fastener.
Patent for a new and improved sash fastener. This design consists, "with the sliding latch provided with a handle, of a pivoted stop having a portion to engage said handle and a cam portion at its pivot end and an elongated hole in which the pivot works" (lines 18-22).
Date:
July 5, 1892
Creator:
Bomar, Thomas B.
System:
The Portal to Texas History
Wire-Stretcher.
Patent for a fence-wire stretcher with an improved clamping device for holding the wire after it has already been drawn. Includes instructions and illustrations.
Date:
October 5, 1897
Creator:
Sharpe, Thomas F.
System:
The Portal to Texas History
Sewing-Machine Brake.
Patent for a new and useful sewing machine brake to "prevent retrograde rotary movement of the shaft" (line 9 - 10).
Date:
April 5, 1898
Creator:
Weaver, John Robert
System:
The Portal to Texas History