John Mattern

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Catonsville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Phase coherent decoy radar transmitter
- Patent number 4,646,098
- Issue date Feb 24, 1987
- Westinghouse Electric Corp.
- John Mattern
- F41 - WEAPONS
Information Patent Grant
Moving target radar
- Patent number 4,083,049
- Issue date Apr 4, 1978
- Westinghouse Electric Corporation
- John Mattern
- G01 - MEASURING TESTING
Information Patent Grant
Hybrid multiplexed filter
- Patent number 4,063,200
- Issue date Dec 13, 1977
- Westinghouse Electric Corporation
- John Mattern
- G01 - MEASURING TESTING
Information Patent Grant
Four quadrant analog by digital multiplier
- Patent number 4,017,720
- Issue date Apr 12, 1977
- Westinghouse Electric Corporation
- John Mattern
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Semi-automatic compass calibrator apparatus for a vehicle mounted f...
- Patent number 3,991,361
- Issue date Nov 9, 1976
- Westinghouse Electric Corporation
- John Mattern
- G01 - MEASURING TESTING