Resource Type
Counties
3 Matching Results
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Copy Holder
Patent for an improved copy holder design that is "adapted for holding stenographers' notebooks and other copies and equipped with an efficient line guide, capable of easy and rapid operation to drop the line indicating means from one line to another with perfect accuracy" (lines 14-19), including illustrations.
Date:
April 28, 1914
Creator:
Wrede, Albin C.
System:
The Portal to Texas History
Combination-Flue
Patent for a flue which will not crack and open, due to settling or to transverse strain. Also to provide means whereby the flue may be supported from the joists of a ceiling, against settling.
Date:
February 3, 1914
Creator:
Carl, Reinhold Adolph
System:
The Portal to Texas History
Air-Brake.
Patent for train air-brakes to provide set brakes and same auxiliary pressure on all cars regardless of the brake cylinder piston travel distance.
Date:
January 13, 1914
Creator:
Wolf, Gustav B.
System:
The Portal to Texas History