Fred Robert Kern

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Lexington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Launch and recovery devices for water vehicles and methods of use
- Patent number 7,581,507
- Issue date Sep 1, 2009
- Physical Sciences, Inc.
- Fred Robert Kern
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
Launch and Recovery Devices for Water Vehicles and Methods of Use
- Publication number 20080202405
- Publication date Aug 28, 2008
- Physical Sciences, Inc.
- Fred Robert Kern
- B66 - HOISTING LIFTING HAULING