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Puncture-Proof Tire
Patent for improved armor in tires so they do not puncture as quickly or as easily, including illustrations.
Date:
April 1, 1913
Creator:
Hibbs, Cassell De
System:
The Portal to Texas History
Boll-Weevil or Other Insect Destroyer
Patent for
Date:
April 1, 1902
Creator:
John S. Doak & Alexander G. Farrington
System:
The Portal to Texas History
Elevated Railway, &c
Patent for improvements "to provide an improved track having provisions for readily tightening the track, each span or section being tightened by means of a single tightening device arranged, preferably. . . second, to provide an improved truck with guiding rollers or pulleys, the weight of the truck being carried upon yielding supports; third, a simple and improved swivel or turning device or connection between the car and track, whereby the turning of curves is more easily accomplished with a minimum of friction; fourth, to so mount the truck upon the track that displacement or removal thereof sidewise is impossible fifth, to provide an improved switch; sixth, to provide for a road-bed upon a span in crossing a stream or other analogous obstruction" (lines 14-31).
Date:
April 1, 1890
Creator:
Turner, Ephraim M. & Taylor, James P.
System:
The Portal to Texas History