Étienne Royer
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Étienne Royer was an aero inventor. He filed his 1917 patent from Egypt, then lived in the Seine region.
It's possible Royer is the artist born in 1882: https://www.wikidata.org/wiki/Q109855700, https://imslp.org/wiki/Category%3ARoyer%2C_%C3%89tienne
This person had 0 publications and 3 patents in this database.
Patents whose inventor or applicant is Étienne Royer
- Patent FR-1917-494202 (English title: Improvements to airplanes, Filing date: 1917-01-04)
- Patent FR-1918-495551 (English title: Improvement of airplanes bearing surfaces, Filing date: 1918-05-06)
- Patent FR-1919-495551.21196 (English title: Improvement of airplanes bearing surfaces, Supplementary to patent: Patent FR-1918-495551, Filing date: 1919-01-31)
References
| Names | Étienne Royer; Etienne Royer |
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| Countries | EG, FR |
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