Norman A. Sanford

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Arlington, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
Proton-exchanged waveguides for sum-frequency generation
- Patent number 4,925,263
- Issue date May 15, 1990
- Polaroid Corporation
- Norman A. Sanford
- G02 - OPTICS
Information Patent Grant
Optical modulation device
- Patent number 4,887,878
- Issue date Dec 19, 1989
- Polaroid Corporation
- William C. Robinson
- G02 - OPTICS
Information Patent Grant
Channel waveguide modulator
- Patent number 4,791,388
- Issue date Dec 13, 1988
- Polaroid Corporation
- Norman A. Sanford
- G02 - OPTICS
Information Patent Grant
TE-TM mode converter
- Patent number 4,776,656
- Issue date Oct 11, 1988
- Polaroid Corporation
- Norman A. Sanford
- G02 - OPTICS
Information Patent Grant
Planar waveguide mode converter device
- Patent number 4,775,208
- Issue date Oct 4, 1988
- Polaroid Corporation
- William C. Robinson
- G02 - OPTICS
Information Patent Grant
Integrated optic resonant structres and fabrication method
- Patent number 4,695,121
- Issue date Sep 22, 1987
- Polaroid Corporation
- Amaresh Mahapatra
- G02 - OPTICS
Information Patent Grant
Apparatus for controlling the rotation of the plane of linear polar...
- Patent number 4,607,916
- Issue date Aug 26, 1986
- GTE Laboratories Incorporated
- Norman A. Sanford
- G02 - OPTICS
Information Patent Grant
Method for modulating a carrier wave
- Patent number 4,607,909
- Issue date Aug 26, 1986
- Polaroid Corporation
- Norman A. Sanford
- G02 - OPTICS