Richard W. Mattson

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Rossford, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Control apparatus for variable speed reversible motor
- Patent number 4,528,544
- Issue date Jul 9, 1985
- Allied Corporation
- Richard W. Mattson
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Adjustable electrical shunt
- Patent number 4,480,222
- Issue date Oct 30, 1984
- Allied Corporation
- Carl K. Dudley
- G01 - MEASURING TESTING
Information Patent Grant
Brush wear detector system with latching relay
- Patent number 4,394,648
- Issue date Jul 19, 1983
- Allied Corporation
- Richard W. Mattson
- G01 - MEASURING TESTING
Information Patent Grant
Reversing relay for permanent magnet DC motor
- Patent number 4,259,652
- Issue date Mar 31, 1981
- Eltra Corporation
- Richard W. Mattson
- H01 - BASIC ELECTRIC ELEMENTS