Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Office : CH or DE or DK or IT or NO or US & Tech fields : balloon or frame & Granted: Yes & Assigned to : Sperry Gyroscope Company or None

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Supplementary to patent:
None (324) · Patent US-1909-970771 (5) · Patent GB-1913-16499 (4) · Patent FR-1908-393976 (3) · Patent US-1910-1055379 (2) · Patent GB-1912-2540 (2)
Related to aircraft:
Patent agent:
None (221) · Victor J. Evans (13) · Munn & Co. (8) · H. Kirchhofer (4) · R. S. & A. B. Lacey (4) · C. A. Snow & Co. (4) · E. Blum & Co. (4) · Noyes & Harriman‎ (3) · John P. Tarbox (3) · Watson E. Coleman (3) · None (3)
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National tech categories:
DE 77h.5 (33) · None (22) · DE 77h.4 (15) · CH 129b (13) · USPC 244/90R (12) · IT 8 (12) · USPC 244/22 (12) · USPC 244/48 (9) · USPC 244/46 (9) · USPC 244/87 (9) · USPC 244/6 (9) · DE 77h.9 (8) · USPC 244/13 (8) · USPC 244/139 (8) · CH 129a (7) · USPC 244/50 (7) · DK 77 (7) · USPC 244/233 (7)
IPCs:
None (289) · IPC B64C3/00 (20) · IPC B64B1/00 (10) · IPC B64C39/00 (9) · IPC B64B1/58 (7) · IPC B64C1/00 (6) · IPC B64C3/38 (5) · IPC B64C25/00 (5) · IPC B64C33/02 (5) · IPC B64C3/56 (3) · IPC B64C35/00 (3) · IPC B64B1/14 (3)
CPCs:
None (70) · CPC B64B1/00 (23) · CPC B64C13/00 (22) · CPC B64C2700/6295 (22) · CPC B64C33/02 (21) · CPC B64C23/005 (19) · CPC B64C3/385 (16) · CPC B64C3/00 (15) · CPC B64B1/58 (13) · CPC B64C39/08 (13) · CPC B64C17/00 (12) · CPC B64C39/005 (10) · CPC B64C3/40 (9) · CPC B64C2700/6235 (9) · CPC B64B1/40 (8) · CPC B64C35/00 (7) · CPC B64C29/0025 (6) · CPC B64B1/62 (6) · CPC B64C29/0033 (6) · CPC B64C33/00 (6)
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