John Polonchak

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El Paso, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Heater, humidifier or fan including a circuit for controlling the o...
- Patent number 6,204,623
- Issue date Mar 20, 2001
- The Holmes Group, Inc.
- William Levy
- G05 - CONTROLLING REGULATING
Information Patent Grant
Heating pad controller with variable duty cycle for temperature adj...
- Patent number 5,708,256
- Issue date Jan 13, 1998
- Kaz, Incorporated
- James G. Montagnino
- G05 - CONTROLLING REGULATING