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5 Matching Results
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Oscillatory Engine.
Patent for a new and useful oscillatory engine, including instructions and illustrations.
Date:
February 27, 1900
Creator:
Hutchison, Wilson Frank
System:
The Portal to Texas History
Soft-Collar Holder.
Patent for a soft collar holder for men's wear. This is "a means for retaining or securing the front edges of the collar flap or fold" (lines 9-11.) The device patented is effective and can be "readily applied and removed" (lines 13-14.)
Date:
February 28, 1922
Creator:
Guidry, Frank
System:
The Portal to Texas History
Trap.
Patent for a simple live trap suitable for use both on land and in water.
Date:
February 10, 1920
Creator:
Peavy, Josiah
System:
The Portal to Texas History
Transmission-Gearing.
Patent for an improved gear set adapted for transmitting power to the main driving wheels of farm tractors, the gear set embodying simple and efficient means of effecting a reversal of travel without any chance of gear stripping, as well as the whole transmission gearing encompassing less space.
Date:
February 15, 1921
Creator:
Blumberg, Hamilton G.
System:
The Portal to Texas History
Fire-Spreading Device
Patent for a portable weapon to spread fire quickly from object to object or building to building in enemy country.
Date:
February 18, 1919
Creator:
Ford, Frederick William
System:
The Portal to Texas History