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David J. Haas
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North Potomac, MD, US
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last 30 patents
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Patent Grant
Offset propeller controlled rotor
Patent number
12,091,166
Issue date
Sep 17, 2024
The United States of America, as represented by the Secretary of the Navy
David J. Haas
B64 - AIRCRAFT AVIATION COSMONAUTICS
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Patent Grant
Marine propulsion-and-control system implementing articulated varia...
Patent number
9,022,738
Issue date
May 5, 2015
The United States of America as represented by the Secretary of the Navy
Eric J. Silberg
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT