Ronald J. Liebl

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Mukwonago, WI, US

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Patents Grantslast 30 patents

Information Patent Grant
Temperature control system having central control for thermostats
- Patent number 5,361,982
- Issue date Nov 8, 1994
- Johnson Service Company
- Ronald J. Liebl
- G05 - CONTROLLING REGULATING
Information Patent Grant
Energy control system
- Patent number 5,289,362
- Issue date Feb 22, 1994
- Johnson Service Company
- Ronald J. Liebl
- F24 - HEATING RANGES VENTILATING