Lance T. Rumfield

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Spring, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Zero-sequence opening of power distribution
- Patent number 5,566,041
- Issue date Oct 15, 1996
- Houston Industries Incorporated
- Lance T. Rumfield
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Circuit breaker interrupter sequence monitor
- Patent number 5,245,289
- Issue date Sep 14, 1993
- Houston Industries Incorporated
- Lance T. Rumfield
- G01 - MEASURING TESTING