IP Library › Granted Patent US 5,544,844
Granted Patent Utility
US 5,544,844 · App. 08/266,015

Autogyro aircraft

Inventors: Henry J. Groen, David L. Groen
Patented Case View Patent ↗
Granted: Aug 13, 1996 Filed: Apr 11, 1994
Inventors
Henry J. Groen
David L. Groen

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Quick Facts
Patent No.
US 5,544,844
App. No.
08/266,015
Filed
1994-04-11
Granted
1996-08-13
Kind
A