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4 Matching Results
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Hair Clipper.
Patent for hair clippers that simplifies construction, reduces vibration, and improves efficiency.
Date:
May 16, 1922
Creator:
Monroe, Collier
System:
The Portal to Texas History
Speed-Regulating Device.
Patent for speed-regulating devices that gradually increase or decrease the speed of a driven member automatically. This invention is applicable to motion picture film devices to increase or decrease the speed of the reel.
Date:
May 16, 1922
Creator:
McNeel, William Pinkney
System:
The Portal to Texas History
Oil and Gas Burner
Patent for a burner that can use both oil and gas as fuel.
Date:
May 16, 1922
Creator:
Oney, William M.
System:
The Portal to Texas History
Foldable Steering Wheel.
Patent for a foldable steering wheel with the capability of swinging downwardly to an out of the way position to enable the driver to easily occupy or leave his seat.
Date:
May 16, 1922
Creator:
Hanes, Dorris A.
System:
The Portal to Texas History