John Ostrovsky

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Richmond Hill, CA

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Patents Grantslast 30 patents

Information Patent Grant
Dual extrusion snap closed ceiling sign hanger
- Patent number 6,779,771
- Issue date Aug 24, 2004
- John Ostrovsky
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

Information Patent Application
Dual extrusion snap closed ceiling sign hanger
- Publication number 20030230690
- Publication date Dec 18, 2003
- John Ostrovsky
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES