James D. Sweetman

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Manitowoc, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Power line synchronization conditioner
- Patent number 5,821,790
- Issue date Oct 13, 1998
- Paragon Electric Company, Inc.
- James David Sweetman
- H03 - BASIC ELECTRONIC CIRCUITRY
Information Patent Grant
Battery powered motor drive with temperature-responsive battery heater
- Patent number 4,667,140
- Issue date May 19, 1987
- Paragon Electric Co., Inc.
- James D. Sweetman
- G05 - CONTROLLING REGULATING