Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Tech fields : balloon or control or lift & Number of diagram pages: None

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Inventors:
John P. Tarbox (4) · None (2) · Bernard de Beer (2) · Henry L. Coakley (2) · Albert Graff (2) · Walter Hermann von Mach (2) · Henry Félix Villard (2) · José Lluzar-Rodrigo (2) · Leonardo Torres Quevedo (2) · Richard Wilcke (2) · Robert Cooke Sayer (2)
Inventor country:
Applicant person:
None (14) · Bernard de Beer (2) · José Lluzar-Rodrigo (2) · Albert Graff (2) · Walter Herrmann von Mach (2) · Henry L. Coakley (2) · Henry Félix Villard (2) · Richard Wilcke (2) · Robert Cooke Sayer (2)
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None (44)
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National tech categories:
None (26) · BE K (13) · FR 6.4 (12) · IT 8 (5) · USPC 244/233 (4) · USPC 244/80 (3) · HU V/h (3) · USPC 244/90R (3) · DE 77h.4 (3) · USPC 244/48 (2) · USPC 244/45R (2) · DE 77h.3 (2) · USPC 244/232 (2) · USPC 244/131 (2)
First filing:
Citations from after 1930:
Number of text pages:
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