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-1080176.pdf +

Richard H. Stevens +

Patent-US-1080197.pdf +

Joseph G. Coffin +

Patent-US-1080347.pdf +

Frank Amos Jhonson +

Patent-US-1081557.pdf +

William W. Sanford +

Patent-US-1085174.pdf +

Walter A. Sheaffer +