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Patents > CPCs: CPC B64C11/006 & Number of claims: None

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None (120) · Frank EXLINE (3) · John Anderson (2) · Erich VON BERND (2) · Oswald Charles Jones (2) · Francis Samuel Welman (2) · Samuel Stewart Harper (2) · John Otto WRENN (2) · Robert CLADE (2)
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None (132) · HEWLETT PACKARD (3) · Francis Samuel Welman (2) · Oswald Charles Jones (2) · John Anderson (2) · WRENN John Otto (2) · AIR TURBINE (2)
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None (226) · Propulsion (23) · propeller (12) · marine (6) · paddle-wheel (5) · propellers (4) · navigation (4) · LTA (4) · sail (3) · paddle wheel (3) · windmill (2) · stability (2) · airplane (2) · frame (2) · wheel (2)
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None (133)
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