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Keying Device for Cutter Heads
Patent for a keying device for cutter heads. This invention is designed attaches cutter heads to rotate shafts to align the cutter head. Illustration included.
Date:
December 10, 1912
Creator:
Ash, William D. & Herndon, James A.
System:
The Portal to Texas History
Double-Action Hair-Clipper.
Patent for an improved hair clipper design with both stationary and movable cutter blades.
Date:
February 10, 1914
Creator:
Appleman, Ernest E.
System:
The Portal to Texas History