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-GB-190616715.pdf +

Eduard Penkala +

Patent-GB-190704787.pdf +

George Sweetser +

Patent-GB-190708313.pdf +

Duncan Cameron +

Patent-GB-190713900.pdf +

Eugen Hahn +, August Eberstein +

Patent-GB-190719977.pdf +

Cecil Bristow +