Derek Payne

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Bristol, GB

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Patents Grantslast 30 patents

Information Patent Grant
Progressive addition power lens
- Patent number 7,033,023
- Issue date Apr 25, 2006
- Signet Armorlite, Inc.
- Trevor Steele
- G02 - OPTICS
Information Patent Grant
Progressive addition power lens
- Patent number 6,776,486
- Issue date Aug 17, 2004
- Crossbows Optical Limited
- Trevor Steele
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
Progressive addition power lens
- Publication number 20050012895
- Publication date Jan 20, 2005
- Crossbows Optical Limited
- Trevor Steele
- G02 - OPTICS
Information Patent Application
Progressive addition power lens
- Publication number 20030223033
- Publication date Dec 4, 2003
- Crossbows Optical Limited
- Trevor Steele
- G02 - OPTICS