Janko Klopčić
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Janko Klopčić was an aero inventor in France.
Patents whose inventor or applicant is Janko Klopčić
- Patent FR-1902-323250 (English title: Dirigible, Filing date: 1902-07-05)
- Patent FR-1903-323250 (English title: Dirigible balloon system, Filing date: 1902-07-05)
- Patent FR-1902-323250.862 (English title: Dirigible, Supplementary to patent: Patent FR-1902-323250, Filing date: 1902-09-05)
- Patent FR-1904-348999 (English title: Wheel of sails, Filing date: 1904-12-15)
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| Countries | FR |
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