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Patents > Inventors : Richard B. DOUGLAS or None & Related to aircraft: None

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CPC B64C11/006 (79) · CPC B64C11/346 (57) · CPC B64C11/48 (50) · CPC B63H1/12 (31) · CPC F03D11/00 (25) · CPC B64C11/36 (25) · CPC Y02E10/722 (25) · CPC B64C11/06 (23) · CPC B64C11/343 (23) · CPC B63H1/04 (22) · CPC F05B2260/74 (21) · CPC B64C27/33 (18) · CPC F03D1/025 (17) · None (16) · CPC B64C3/48 (14) · CPC B64C11/065 (13) · CPC B64C35/00 (9) · CPC B64C27/18 (9) · CPC Y02E10/72 (9) · CPC B64C11/003 (8)
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