Joseph Frossard
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Joseph Frossard was an aero inventor and "Gentleman," of Avenue de la Gare, Porrentruy, Switzerland. This person had 0 publications and 3 patents in this database.
Patents whose inventor or applicant is Joseph Frossard
- Patent GB-1907-18158 (English title: Improvements to flying machines, Supplementary to patent: Patent CH-1903-08-11, Filing date: 1907-08-10)
- Patent FR-1907-380651 (English title: Aerial propellers, Filing date: 1907-08-09)
- Patent FR-1908-386615 (English title: Helicopter, Filing date: 1908-01-28)
References
| Names | Joseph Frossard |
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| Countries | CH |
| Locations | Porrentruy, Switzerland |
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