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4 Matching Results
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Vehicle Tire
Patent for a vehicle tire. Illustration included.
Date:
December 14, 1909
Creator:
Banks, Theodore E.
System:
The Portal to Texas History
Extension Step Ladder
Patent for an extension step ladder. Illustrations included.
Date:
December 14, 1909
Creator:
Binger, Nickolaus & Burgstaller, Ernest F.
System:
The Portal to Texas History
Universal Lever
Patent for a new universal lever “for the purpose of the transmission of power from any suitable source to a rod or bar, for reciprocating the rod or bar in a perfectly straight line at all times” (lines 15-18) including instructions and illustrations.
Date:
December 14, 1915
Creator:
Blackaller, Miguel
System:
The Portal to Texas History
Revolving Sand Drag
Patent for a new and useful improvements in revolving sand drags. This design is to "provide a machine of this character by means of which the sand-bars in formed in rivers" (line 12-14)
Date:
December 14, 1897
Creator:
Murphy, James
System:
The Portal to Texas History