Lee A. Hart

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Holland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Temperature regulating control system for an oven of a cooking appa...
- Patent number 5,618,460
- Issue date Apr 8, 1997
- Robertshaw Controls Company
- Daniel L. Fowler
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Temperature regulating control system for an oven of a cooking appa...
- Patent number 5,477,032
- Issue date Dec 19, 1995
- Robertshaw Controls Company
- Daniel L. Fowler
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Electrical system for controlling the operation of a heat exchanger...
- Patent number 5,277,363
- Issue date Jan 11, 1994
- Robertshaw Controls Company
- Lee A. Hart
- G05 - CONTROLLING REGULATING
Information Patent Grant
Temperature operated control system, control device therefor, and m...
- Patent number 5,168,545
- Issue date Dec 1, 1992
- Robertshaw Controls Company
- Lee A. Hart
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electrical system for controlling the operation of a heat exchanger...
- Patent number 5,102,042
- Issue date Apr 7, 1992
- Robertshaw Controls Company
- Lee A. Hart
- G05 - CONTROLLING REGULATING