Robert E. Drain

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Butte, MT, US

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Patents Grantslast 30 patents

Information Patent Grant
Power transmission line protective apparatus
- Patent number 4,513,340
- Issue date Apr 23, 1985
- The Montana Power Company
- Robert E. Drain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Three-phase power transmission line phase-to-ground fault responder
- Patent number 4,441,135
- Issue date Apr 3, 1984
- The Montana Power Company
- Robert E. Drain
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER