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Primary view of Speed-Regulating Device.
McNeel, William Pinkney
May 16, 1922
Primary view of Method of and Apparatus for Producing Transformation Effects
Craig, Richard M.
September 5, 1922
Primary view of Molding Apparatus.
Nelson, William E.
October 31, 1922
Primary view of Semaphore
Durán, Arturo
October 31, 1922
Primary view of Foldable Steering Wheel.
Hanes, Dorris A.
May 16, 1922
Primary view of Can Opener
Minor, Robert B.
February 14, 1922
Primary view of Brake.
White, John W.
May 23, 1922
Primary view of Fuse carrier.
Burton, Frank M.
January 31, 1922
Primary view of Valve-Grinding Implement
Hood, William S.
April 18, 1922
Primary view of Trailer for Land Vehicles.
Brown, William F.
January 24, 1922
Primary view of Safety Apparatus.
Duran, Arturo
February 14, 1922
Primary view of Railway Switch.
Arteaga, Ignacio
February 28, 1922
Primary view of Animated Sign
Craig, Richard M.
September 5, 1922
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