John Spies
Revision as of 09:58, 4 September 2022 by Meyer (talk | contribs) (Created page with "'''John Spies''' was an aero inventor in Philadelphia. {{Standard person reports}} {{References}} Category:Inventors {{Person |Names=John Spies |Countries=US |Locations...")
John Spies was an aero inventor in Philadelphia. This person had 0 publications and 2 patents in this database.
Patents whose inventor or applicant is John Spies
- Patent US-1900-688135 (English title: Air-Ship, Filing date: 1900-09-22)
- Patent US-1904-797154 (English title: Air-Ship, Filing date: 1904-08-15)
References
| Names | John Spies |
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| Countries | US |
| Locations | Philadelphia |
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