Colin T. H. Yeoh

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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Ferroelectric liquid crystal device having frequency .ltoreq.500 Hz...
- Patent number 5,528,394
- Issue date Jun 18, 1996
- GEC-Marconi Limited
- Colin T. H. Yeoh
- G02 - OPTICS
Information Patent Grant
Display devices
- Patent number 5,479,281
- Issue date Dec 26, 1995
- Gec-Marconi Limited
- Michael C. K. Wiltshire
- G02 - OPTICS
Information Patent Grant
Ferroelectric liquid crystal devices
- Patent number 5,260,699
- Issue date Nov 9, 1993
- Gec-Marconi Limited
- Stephen J. S. Lister
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS