Titus E. C. Brandsma

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Display tube having a display window with an interference filter
- Patent number 4,647,812
- Issue date Mar 3, 1987
- U.S. Philips Corporation
- Leendert Vriens
- G02 - OPTICS
Information Patent Grant
Display tube provided with an interference filter
- Patent number 4,634,926
- Issue date Jan 6, 1987
- U.S. Philips Corporation
- Leendert Vriens
- G02 - OPTICS