Drilldown: Patents

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Patents > Year granted: 1880 - 1889 & Office: US & First filing: None

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None (29) · CPC B64C11/006 (24) · CPC B64C11/346 (22) · CPC B64C11/48 (12) · CPC F05B2260/74 (10) · CPC B63H1/04 (9) · CPC B63H1/12 (9) · CPC B64C11/06 (9) · CPC B64C11/343 (6) · CPC B64C3/48 (6) · CPC B64C11/36 (6) · CPC Y02E10/74 (5) · CPC Y02E10/722 (5) · CPC F03D3/00 (5) · CPC F03D11/00 (5) · CPC B64C27/33 (4) · CPC B64C11/003 (3) · CPC B64C11/065 (3)
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