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Patents > Grant date: 1917 & First filing: Yes & Number of figures: 5-7

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None (7) · airplane (7) · frame (6) · LTA (5) · Airship (4) · Construction (4) · marine (3) · landing (3) · control (3) · propulsion (3) · paddle-wheel (2) · hydroaeroplane (2) · heavier-than-air (2) · propeller (2) · suspension (2) · dirigible (2) · chassis (2)
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CPC B64C13/00 (4) · CPC B64C25/60 (3) · CPC B64B1/00 (3) · CPC B64C23/005 (3) · CPC B64C39/026 (2) · CPC Y10T29/49332 (2) · CPC B64C11/006 (2) · CPC B64C2700/6274 (2)
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