William Everett Sylvester Coyne
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William Everett Sylveste Coyne was an aero inventor and dentist from Spokane, Washington, USA. He filed patents for a helicopter design in Mexico, Canada, Great Britain and France. We don't have a US patent for this invention; it's possible he submitted one but it was never granted or completed.
Patents whose inventor or applicant is William Everett Sylvester Coyne
- Patent MX-1910-10953 (English title: An air ship)
- Patent GB-1910-20786 (English title: Aerial Vessels, Filing date: 1910-09-06)
- Patent FR-1911-420180 (English title: Air ships, Filing date: 1910-09-09)
- Patent CA-1910-130926 (English title: Aerial Vessel, Filing date: 1911-02-07)
References
| Names | William Everett Sylveste Coyne |
|---|---|
| Birth date | |
| Death date | |
| Countries | US |
| Locations | Spokane, Washington |
| Occupations | dentist |
| Tech areas | Helicopter |
| Affiliations | |
| Wikidata id |
