Stewart Bennett

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Concord, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polarized non-rotating variable light transmitting window
- Patent number 6,414,790
- Issue date Jul 2, 2002
- Stewart Bennett
- G02 - OPTICS
Information Patent Grant
High-efficiency K-sheet polarizer
- Patent number 5,666,223
- Issue date Sep 9, 1997
- Polaroid Corporation
- Stewart Bennett
- G02 - OPTICS
Information Patent Grant
Bistable display with permuted excitation
- Patent number 5,034,736
- Issue date Jul 23, 1991
- Polaroid Corporation
- Stewart Bennett
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Liquid crystal display with polarizer and biaxial birefringent support
- Patent number 4,674,840
- Issue date Jun 23, 1987
- Polaroid Corporation, Patent Dept.
- Stewart Bennett
- G02 - OPTICS