Stephen A. Perkins

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Jackson, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
De-energized tap changer
- Patent number 6,335,497
- Issue date Jan 1, 2002
- ABB Power T&D Company Inc.
- Stephen A. Perkins
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Diverter switch and link system for load tap changer
- Patent number 5,693,922
- Issue date Dec 2, 1997
- ABB Power T&D Company Inc.
- John A. Tuohy
- H01 - BASIC ELECTRIC ELEMENTS