Franciscus J. M. Wortel

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Eindhoven, NL

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Patents Grantslast 30 patents

Information Patent Grant
Temperature compensated color LCD projector
- Patent number RE37056
- Issue date Feb 20, 2001
- U.S. Philips Corporation
- Franciscus J. M. Wortel
- 248 - Supports
Information Patent Grant
Beam-combining device and color image projection apparatus provided...
- Patent number 5,820,241
- Issue date Oct 13, 1998
- U.S. Philips Corporation
- Franciscus J. M. Wortel
- G02 - OPTICS
Information Patent Grant
Beam-combining device and color image projection apparatus provided...
- Patent number 5,562,334
- Issue date Oct 8, 1996
- U.S. Philips Corporation
- Franciscus J. M. Wortel
- G02 - OPTICS
Information Patent Grant
Temperature compensated color LCD projector
- Patent number 5,253,074
- Issue date Oct 12, 1993
- U.S. Philips Corporation
- Franciscus J. M. Wortel
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Display cell
- Patent number 4,767,191
- Issue date Aug 30, 1988
- U.S. Philips Corporation
- Hendrik A. Van Sprang
- G02 - OPTICS