Proprietà:Invented by

Inventore o inventori che hanno presentato un brevetto, da indicare con nome e cognome, separato da virgole se sono più di uno. Usare il campo Inventor riportato dall'EPO o dall'ufficio americano dei brevetti.

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Patent-US-2318977.pdf +

Milford G. Sypher +

Patent-US-2319802.pdf +

Henry Dreyfuss +

Patent-US-2325069.pdf +

Fred P. Moore +

Patent-US-2325550.pdf +

Salomon M. Sager +

Patent-US-2328116.pdf +

Norman E. Weigel +