Drilldown: Patents

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Patents > Office: US & National tech categories: None & Family year: 1800 - 1899 & Number of diagram pages: 1-2

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Office: (Click arrow to add another value)
Inventors:
William R. Manley (3) · Elihu Spencer (2) · Samuel Champion (2) · Thomas Champion (2)
Inventor country:
Applicant person:
None (14) · Elihu Spencer (2) · Samuel Champion (2) · Thomas Champion (2)
Applicant type:
Applicant is inventor:
Tech fields:
None (14) · marine (14) · propeller (13) · hand tools (11) · marine propulsion (10) · paddle-wheel (10) · paddle-wheels (8) · propulsion (5) · feathering (5) · windmill (4) · fasteners (3) · paddle wheel (3) · churn (3) · fabric (3) · Water-wheel (3)
Full specification filed date:
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (29) · Munn & Co. (14) · None (4) · John Wedderburn (2) · Louis Bagger & Co. (2) · E. W. Anderson (2) · R. H. Eddy (2)
National tech categories: (Click arrow to add another value)
IPCs:
CPCs:
CPC B64C27/54 (26) · CPC B64C11/48 (18) · CPC F16B2/02 (14) · CPC B64C11/04 (14) · CPC Y10T403/4677 (14) · CPC F16B2200/40 (13) · CPC B64C11/006 (12) · CPC Y02E10/72 (8) · CPC B63H1/12 (7) · CPC F03D1/025 (6) · CPC B64C1/1407 (6) · CPC B63H5/10 (5) · CPC B63H1/04 (5) · CPC B64B1/00 (4)
First filing:
Cites these patents:
Citations from after 1930:
Number of text pages:
Number of diagram pages:

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