Drilldown: Patents

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Patents > Year granted: 1800 - 1899 & Assigned to: None & Citations from after 1930: 4-2000

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None (4) · CPC F42B10/30 (3) · CPC B64C11/48 (3) · CPC B64C11/04 (2) · CPC F03D3/00 (2) · CPC F42B10/34 (2) · CPC F42B15/01 (2) · CPC F16B2200/40 (2) · CPC F16B2/02 (2) · CPC Y02E10/74 (2) · CPC Y10T403/4677 (2) · CPC B64B1/00 (2) · CPC B63H5/10 (2)
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Showing below up to 36 results in range #1 to #36.

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