John F. Griffin

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Lebanon, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Solid state device for reducing target strength
- Patent number 9,599,701
- Issue date Mar 21, 2017
- The United States of America as represented by the Secretary of the Navy
- Anthony A Ruffa
- F41 - WEAPONS
Information Patent Grant
Thermodynamic device for reducing target strength
- Patent number 9,091,750
- Issue date Jul 28, 2015
- The United States of America as represented by the Secretary of the Navy
- Anthony A Ruffa
- G01 - MEASURING TESTING
Information Patent Grant
Device for reducing target strength of an underwater object
- Patent number 8,320,214
- Issue date Nov 27, 2012
- The United States of America as represented by the Secretary of the Navy
- Anthony A. Ruffa
- H04 - ELECTRIC COMMUNICATION TECHNIQUE