James K. Mathews

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Van Nuys, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Resistance welding control system
- Patent number 4,388,515
- Issue date Jun 14, 1983
- Pertron Controls Corporation
- James K. Mathews
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Modular microprocessor-controlled controller for resistance for res...
- Patent number 4,301,351
- Issue date Nov 17, 1981
- Pertron Controls Corporation
- James K. Mathews
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Interface circuit for interconnecting an electronic controller to a...
- Patent number 4,251,764
- Issue date Feb 17, 1981
- Pertron Controls Corporation
- James K. Mathews
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Electrical operating circuit having semiconductor device junction t...
- Patent number 4,039,928
- Issue date Aug 2, 1977
- Pertron Controls Corporation
- Russell Noftsker
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR