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Patents > Year granted: 1909 & First filing: Yes & Number of figures: 4-5

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George Alphonzo Metcalf (3) · None (2)
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None (4) · George Alphonzo Metcalf (3)
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None (14)
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None (15) · Armengaud jeune (7) · None (6) · Marks & Clerk (2) · J. Bonnet-Thirion (2) · Abel & Imray (2) · Borame et Julien (2) · Boult, Wade & Tennant (2) · Brandon frères (2) · C. Baumann (2) · C. Blétry (2) · Hippolyte Josse (2) · Lavoix et Mosès (2)
CPCs:
CPC B64C39/00 (11) · CPC B64B1/00 (11) · None (7) · CPC B64C2700/6295 (6) · CPC B64C23/005 (4) · CPC B64C2700/6274 (3) · CPC A63H27/08 (3) · CPC B64C17/00 (2) · CPC B64C2700/6281 (2) · CPC B64C27/04 (2) · CPC B64B1/58 (2) · CPC B64C1/00 (2) · CPC B64C33/02 (2) · CPC B64C29/0025 (2) · CPC B64C3/385 (2)
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