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Patents > Tech fields : metallurgy or None & Family year: 1918

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Year filed:
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Inventors:
None (77) · John R Gammeter (5) · James Vernon Martin (5) · Ettore Caretta (4) · William Robert Douglas Shaw (4) · John William Rapp (3) · Eugenio PRASSONE (3) · Jules CESARIO (3) · Glenn Hammond Curtiss (3)
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Patent agent:
None (277) · Brewer & Son (4) · Marks & Spencer (2) · Marks & Clerk (2) · Joshua R. H. Potts (2) · Dony and Lejeune (2) · Warren S. Ostow (2) · Armengaud jeune (2)
IPCs:
None (269) · IPC B64C35/00 (9) · IPC B64C39/00 (5) · IPC B64C3/00 (5) · IPC B64C3/38 (4) · IPC B64C1/00 (3) · IPC B64C17/00 (3) · IPC B63H1/04 (2) · IPC B64C33/02 (2) · IPC F03D3/04 (2) · IPC B64C25/00 (2) · IPC B64C23/00 (2) · IPC B63H5/02 (2) · IPC B64C11/34 (2) · IPC B64C13/00 (2) · IPC B64C1/12 (2) · IPC B64C1/06 (2)
CPCs:
CPC B64C2700/6295 (23) · CPC B64C3/00 (22) · CPC B64C2700/6235 (18) · CPC B64C13/00 (17) · CPC B64C3/18 (16) · CPC B64C39/00 (14) · CPC B64C2700/6256 (13) · CPC B64C35/00 (12) · CPC B64C17/00 (12) · CPC B64B1/40 (11) · CPC B64C23/005 (11) · CPC B64B1/00 (9) · CPC B64C3/385 (8) · CPC B64C1/065 (8) · CPC B64C2001/0081 (7) · CPC B64C3/185 (7) · CPC B64C33/02 (6) · CPC B64C2700/6212 (6) · CPC B64B1/58 (6) · CPC B64C25/60 (6)
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