Marc G. A. M. Van Delm

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Patents Grantslast 30 patents

Information Patent Grant
High-pressure sodium vapor discharge lamp
- Patent number 4,981,330
- Issue date Jan 1, 1991
- U.S. Philips Corporation
- Marc G. A. M. Van Delm
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
High-pressure discharge lamp
- Patent number 4,751,432
- Issue date Jun 14, 1988
- U.S. Philips Corporation
- Marc G. A. M. Van Delm
- H01 - BASIC ELECTRIC ELEMENTS