Gary H. KOOPMAN

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Alexandria, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Propeller sound field modification systems and methods
- Patent number 9,816,529
- Issue date Nov 14, 2017
- KCF Technologies, Inc.
- Michael D. Grissom
- B64 - AIRCRAFT AVIATION COSMONAUTICS

Patents Applicationslast 30 patents

Information Patent Application
PROPELLER SOUND FIELD MODIFICATION SYSTEMS AND METHODS
- Publication number 20150056058
- Publication date Feb 26, 2015
- KCF TECHNOLOGIES, INC.
- Michael D. GRISSOM
- F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...