David R. Dunbar

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Wilmington, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
Electrical transmission system conductor installation technique
- Patent number 4,429,858
- Issue date Feb 7, 1984
- Interpace Corporation
- David R. Dunbar
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Electrical transmission system conductor installation technique
- Patent number 4,312,495
- Issue date Jan 26, 1982
- Interpace Corporation
- David R. Dunbar
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
Shear bolt assembly for a load limiting line support for a post ins...
- Patent number 4,177,352
- Issue date Dec 4, 1979
- Interpace Corporation
- David R. Dunbar
- H01 - BASIC ELECTRIC ELEMENTS