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Patents > Year granted: 1917 & National tech categories : DE 77h.5 or None

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Year granted:
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Inventors:
None (53) · Glenn Hammond Curtiss (10) · Thomas Sopwith (6) · Alliott Verdon Roe (5) · Henry Kleckler (5) · Rumpler-Werke G.m.b.H. in Berlin-Johannisthal (5) · Samuel Edgar Saunders (4) · John P. Tarbox (4) · Joseph Allison Steinmetz (3) · Martin Jelalian (3) · Thomas Rutherford Macmechen (3) · John J. Reynolds (3)
Inventor country:
Applicant is inventor:
Tech fields:
None (218) · airplane (28) · construction (19) · frame (18) · control (10) · stability (10) · design (9) · wings (8) · landing (7) · HTA (7) · military (7) · LTA (7) · helicopter (6) · propulsion (6) · hybrid (5)
Full specification filed date:
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Patent agent:
None (230) · John P. Tarbox (8) · None (8) · Victor J. Evans (5) · Wheatley & Mackenzie (3) · Marks & Clerk (3) · Boult, Wade & Tennant (3) · Herbert Haddan & Co. (3) · Munn & Co. (3) · Haseltine, Lake & Co. (3) · Eric W. Walford (2) · J. S. Withers & Spooner (2) · J. D. Roots & Co.; Phillipss (2) · J. D. Roots & Co. (2) · H. Gardner & Son (2) · Phillipss (2) · C. A. Snow & Co. (2) · Brewer & Son (2)
National tech categories: (Click arrow to add another value)
CPCs:
CPC B64C3/00 (22) · CPC B64B1/00 (20) · CPC B64C13/00 (19) · CPC B64C2700/6295 (15) · CPC B64C23/005 (14) · CPC B64C2700/6235 (14) · CPC B64C17/00 (11) · CPC B64C35/00 (11) · CPC B64C3/18 (9) · CPC B64C11/006 (7) · CPC B64C33/02 (7) · CPC B64C2700/6256 (7) · CPC B64C2001/0063 (7) · CPC B64C2001/0081 (7) · CPC B64C3/185 (6) · CPC B64C25/60 (6)
First filing:
Citations from after 1930:
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