Eduard J. P. Janssen

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Patents Grantslast 30 patents

Information Patent Grant
Double-ended lamp including lamp cap at each end
- Patent number 5,001,388
- Issue date Mar 19, 1991
- U.S. Philips Corporation
- Eduard J. P. Janssen
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electric cooking unit having an electric lamp with a helical filame...
- Patent number 4,857,709
- Issue date Aug 15, 1989
- U.S. Philips Corporation
- Eduard J. P. Janssen
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR