3 Matching Results

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Metal-Working Device. (open access)

Metal-Working Device.

Patent for a hand-operated device that bends and shears metal at any desired angle and length.
Date: August 16, 1921
Creator: Bussel, H.
System: The Portal to Texas History
Dirigible Headlight (open access)

Dirigible Headlight

Patent for improving headlights for automobiles and other vehicles. Improvements include simpler, yet effective, connectivity between the head lamps and the steering mechanism.
Date: August 30, 1921
Creator: Davis, Robert E.
System: The Portal to Texas History
Method and Plant for Storing and Averaging Materials. (open access)

Method and Plant for Storing and Averaging Materials.

Patent for improved storing and retrieval of mining materials through the use of new mechanisms, procedures, and building structures.
Date: August 30, 1921
Creator: Cole, David & Bergman, Julius
System: The Portal to Texas History