David Lewison

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Larchmont, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Depth of field enhancement for optical comparator
- Patent number 7,164,470
- Issue date Jan 16, 2007
- Bausch & Lomb Incorporated
- Marc Bergendahl
- G01 - MEASURING TESTING
Information Patent Grant
Ophthalmic lens transportation and inspection cell
- Patent number 7,079,239
- Issue date Jul 18, 2006
- Bausch & Lomb Incorporated
- Marc Bergendahl
- G01 - MEASURING TESTING
Information Patent Grant
Handling assembly for fixturing ophthalmic lenses
- Patent number 6,729,835
- Issue date May 4, 2004
- Bausch & Lomb Incorporated
- William J. Appleton
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Depth of field enhancement for optical comparator
- Publication number 20050078302
- Publication date Apr 14, 2005
- Marc Bergendahl
- G01 - MEASURING TESTING
Information Patent Application
Ophthalmic lens transportation and inspection cell
- Publication number 20050073677
- Publication date Apr 7, 2005
- Marc Bergendahl
- G01 - MEASURING TESTING
Information Patent Application
Handling assembly for fixturing ophthalmic lenses
- Publication number 20030185662
- Publication date Oct 2, 2003
- William J. Appleton
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL