John M. Koelger

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Corvallis, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Lamp assembly
- Patent number 7,423,366
- Issue date Sep 9, 2008
- John M. Koelger
- F21 - LIGHTING
Information Patent Grant
Lamp assembly
- Patent number 7,358,657
- Issue date Apr 15, 2008
- Hewlett-Packard Development Company, L.P.
- John M. Koelger
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Lamp assembly
- Publication number 20050185406
- Publication date Aug 25, 2005
- John M. Koelger
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY