James Hartness
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James Hartness was an aero inventor in Detroit, focused on balloons.
Patents whose inventor or applicant is James Hartness
- Patent US-1874-151124 (English title: Balloons, Filing date: 1874-04-14)
- Patent US-1875-168486 (English title: Car or boat attachment for balloons, Filing date: 1875-03-06)
References
| Names | James Hartness |
|---|---|
| Birth date | |
| Death date | |
| Countries | US |
| Locations | Detroit, MI |
| Occupations | |
| Tech areas | LTA, Balloons |
| Affiliations | |
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