John R. Feth

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Chatsworth, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Form birefringent cutoff polarizer and method
- Patent number 4,725,113
- Issue date Feb 16, 1988
- Litton Systems, Inc.
- Chin-Lung Chang
- G02 - OPTICS
Information Patent Grant
Form polarizing fibers and method of fabrication
- Patent number 4,717,225
- Issue date Jan 5, 1988
- Litton Systems, Inc.
- John R. Feth
- G02 - OPTICS
Information Patent Grant
Polarizing optical fiber with absorbing jacket
- Patent number 4,711,525
- Issue date Dec 8, 1987
- Litton Systems, Inc.
- John R. Feth
- G02 - OPTICS
Information Patent Grant
Cutoff polarizer and method
- Patent number 4,695,123
- Issue date Sep 22, 1987
- Litton Systems, Inc.
- Chin-Lung Chang
- G02 - OPTICS