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4 Matching Results
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Calf and Cow Weaner.
Patent for calf and cow weaner.
Date:
August 21, 1917
Creator:
Bauer, John T.
System:
The Portal to Texas History
Starting Device
Patent for a starting device for internal combustion engines. Illustrations included.
Date:
February 21, 1911
Creator:
Looney, John Pryor
System:
The Portal to Texas History
Rail-Joint.
Patent for improvements to the joints for railway rails to prevent "bumping of the wheels against the ends of rails and the cross ties adjacent to the joints" (lines 16-18) including illustrations.
Date:
January 21, 1908
Creator:
Adams, Powell O.
System:
The Portal to Texas History
Machine for Forming Wire Articles.
Patent for an improved machine that makes wire coils, springs, pins, and similar wire formations. "The invention has for its objects to provide a simple, cheap and durable device or machine for the purpose named which can be easily operated and capable of turning out a large number of the articles with the expenditure of the minimum amount of time and labor" (lines 22-28).
Date:
February 21, 1893
Creator:
Porter, Louis H.
System:
The Portal to Texas History