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Patents > Supplementary to patent: None & Number of claims: 21-24

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frame (11) · airplane (9) · stability (8) · None (5) · control (5) · rudder (5) · propeller (5) · design (4) · Hydroaeroplane (3) · fuselage (3) · hybrid (3) · marine (3) · hydroplane (3) · LTA (3)
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None (15) · USPC 244/233 (2) · USPC 244/25 (2) · USPC 244/80 (2)
CPCs:
None (4) · CPC B64B1/00 (4) · CPC B64C35/00 (3) · CPC B64C39/026 (3) · CPC B64C17/00 (3) · CPC B64C1/00 (2) · CPC B64C13/00 (2) · CPC B64C2700/6295 (2)
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