Christopher Alan Barnett

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Gwent, GB

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Patents Grantslast 30 patents

Information Patent Grant
Textured retroreflective prism structures and molds for forming same
- Patent number 6,770,225
- Issue date Aug 3, 2004
- Reflexite Corporation
- Robert B. Nilsen
- G02 - OPTICS
Information Patent Grant
Projection screen material and methods of manufacture
- Patent number 6,346,311
- Issue date Feb 12, 2002
- Nashua Corporation
- Terry Yeo
- B32 - LAYERED PRODUCTS
Information Patent Grant
Textured retroreflective prism structures and molds for forming same
- Patent number 6,258,443
- Issue date Jul 10, 2001
- Reflexite Corporation
- Robert B. Nilsen
- G02 - OPTICS
Information Patent Grant
Method of imparting contrast enhancement properties to diffusing, d...
- Patent number 5,897,980
- Issue date Apr 27, 1999
- Nashua Corporation
- Nicholas John Phillips
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

Information Patent Application
Textured retroreflective prism structures and molds for forming same
- Publication number 20010048169
- Publication date Dec 6, 2001
- Reflexite Corporation
- Robert B. Nilsen
- G02 - OPTICS