Drilldown: Patents

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Patents > Tech fields: propeller & National tech categories: None & Number of diagram pages: 2-10

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Office:
Inventors:
Spencer Heath (3) · Francis Alexander Barton (3) · None (2) · Edward Smethurst (2) · Christian Lorenzen (2) · Josef Deixler (2) · Seth Hart (2) · Thomas Augustus Dring (2) · John Anderson (2)
Inventor country:
Inventor location:
None (75) · Pennsylvania (3) · England (2) · New York state (2) · Los Angeles (2) · Kansas (2) · New York (2)
Applicant person:
None (24) · Spencer Heath (3) · Seth Hart (2) · Edward Smethurst (2) · Christian Lorenzen (2) · Francis Alexander Barton (2)
Applicant is inventor:
Tech fields: (Click arrow to add another value)
Full specification filed date:
Application number:
None (50)
Granted:
Publication date:
Related to aircraft:
Patent agent:
None (14) · Jensen & Son (4) · 0 (3) · W. D. Rowlingson (3) · Haseltine, Lake & Co. (3) · Victor J. Evans (2) · Wheatley & Mackenzie (2) · J. E. Evans-Jackson & Co. (2) · None (2) · Phillipss (2) · Joshua R. H. Potts (2)
National tech categories: (Click arrow to add another value)
CPCs:
None (30) · CPC B64C11/006 (14) · CPC B64C11/48 (5) · CPC B64C11/36 (5) · CPC B63H1/04 (4) · CPC B63H5/10 (3) · CPC B64B1/00 (3) · CPC B64C23/005 (3)
First filing:
Citations from after 1930:
Number of diagram pages:

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