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Patents > Year filed: 1917 & IPCs : IPC B64C11/00 or None

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None (359) · Budapest (12) · New York county (4) · New York state (3) · New York City (3) · Vienna (2) · Ohio (2) · Los Angeles (2) · Berlin-Siemensstadt (2) · Berlin (2)
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Supplementary to patent:
None (331) · Patent HU-1917-77280 (2) · Patent DE-1917-300978 (2) · Patent GB-1916-109146 (2) · Patent GB-1916-110419 (2) · Patent HU-1917-73345 (2) · Patent GB-1916-112641 (2)
Related to aircraft:
Patent agent:
None (284) · John P. Tarbox (8) · Victor J. Evans (6) · Randolph, Jr. (4) · Fred Walsh (3) · Munn & Co. (3) · Watson E. Coleman (2) · Phillipss (2) · James L. Norris (2) · A. W. Anderson (2) · None (2) · Hans Heimann (2)
National tech categories:
None (264) · HU V/h (47) · AT 77d (15) · FR 6.4 (6) · AU 90.5 (5) · DK 77 (4) · DE 77h.5 (4) · DE 42k.18 (3) · AT 78b (2) · CA 341/80 (2) · DE 77h.6 (2) · HU VII/a (2)
IPCs: (Click arrow to add another value)
CPCs:
None (113) · CPC B64C2700/6295 (25) · CPC B64C3/00 (17) · CPC B64C23/005 (17) · CPC B64C17/00 (15) · CPC B64C13/00 (13) · CPC B64C35/00 (12) · CPC B64B1/00 (11) · CPC B64C25/60 (8) · CPC B64C2700/6233 (8) · CPC B64C39/00 (7) · CPC B64C11/006 (7) · CPC B64C2700/6235 (6) · CPC B64C11/00 (5) · CPC B64C2001/0081 (5) · CPC B64C2700/6256 (5) · CPC B64C33/02 (5)
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