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Patents > Year granted: 1912 & Granted: Yes & CPCs: CPC B64C2700/6295

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Spencer MacDougal Brown (3) · None (2) · Adalbert Plaček (2) · Willard Bartlett Clements (2) · Maurice-Émile Primard (2)
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Spencer MacDougal Brown (3) · None (3) · Adalbert Plaček (2) · Willard Bartlett Clements (2) · Maurice-Émile Primard (2)
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None (29) · None (4) · Armengaud jeune (2) · Boult, Wade & Tennant (2) · Marks & Clerk (2) · Charles Assi (2)
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