Producing zero power lenses

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Industry

CPC
B29D11/00846

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B29Plastic substance processing B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE B29D11/00Producing optical elements

Current Industry

B29D11/00846Producing zero power lenses

Industries

Patents Grantslast 30 patents

Information Patent Grant
Shaped plastic lenses and method for making the same
- Patent number 7,042,641
- Issue date May 9, 2006
- Polaroid Corporation
- Nancy J. Gettens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Shaped plastic lenses and method for making the same
- Patent number 6,746,631
- Issue date Jun 8, 2004
- Polaroid Corporation
- Nancy J. Gettens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method for making hot-pressed thermoplastic elements for glass-plas...
- Patent number 4,199,538
- Issue date Apr 22, 1980
- Corning Glass Works
- Shy-Hsien Wu
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Patents Applicationslast 30 patents

Information Patent Application
Shaped plastic lenses and method for making the same
- Publication number 20040227995
- Publication date Nov 18, 2004
- Polaroid Corporation
- Nancy J. Gettens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Shaped plastic lenses and method for making the same
- Publication number 20030071965
- Publication date Apr 17, 2003
- Nancy J. Gettens
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL