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Patents > Office : DE or DK or IT or NO or US & Applicant person : Albert Hugo Friedel or None & Tech fields : balloon or frame & Granted: Yes & Assigned to: None & IPCs: None

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Inventors:
None (12) · Albert Hugo Friedel (4) · Henry Boinet (3) · John P. Tarbox (3) · Alfred Chiodera (2) · Glenn Hammond Curtiss (2) · Raffaele Ronco (2) · Hermann Ganswindt (2)
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National tech categories:
DE 77 (25) · IT 8 (16) · None (13) · DE 77h (7) · DK 77 (6) · USPC 244/28 (6) · DE 77h.4 (6) · DE 77h.5 (4) · USPC 244/66 (2) · USPC 244/97 (2) · USPC 244/22 (2) · USPC 244/153R (2) · USPC 244/149 (2) · USPC 244/6 (2) · DE 77h.7 (2) · DE 77h.9 (2) · DE 77h.1 (2) · DE 77h.3 (2)
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