Colin M. Perrott

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Portola Valley, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Contact lens designed to accommodate and correct for the effects of...
- Patent number 5,771,088
- Issue date Jun 23, 1998
- Pilkington Barnes Hind, Inc.
- Colin M. Perrott
- G02 - OPTICS
Information Patent Grant
Color enhancing lens
- Patent number 5,149,183
- Issue date Sep 22, 1992
- Pilkington Visioncare Holdings, Inc.
- Colin M. Perrott
- G02 - OPTICS