Gilbert Engels

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Patents Grantslast 30 patents

Information Patent Grant
Electric incandescent lamp
- Patent number 5,962,972
- Issue date Oct 5, 1999
- U.S. Philips Corporation
- Gilbert Engels
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp electrode
- Patent number 5,793,161
- Issue date Aug 11, 1998
- U.S. Philips Corporation
- Louis C. A. Peeters
- H01 - BASIC ELECTRIC ELEMENTS