with built-in spark gap

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Patents Grantslast 30 patents

Information Patent Grant
Current-limited spark gap for transient protection
- Patent number 4,467,245
- Issue date Aug 21, 1984
- General Electric Company
- Milton D. Bloomer
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Grant
3687545
- Patent number 3,687,545
- Issue date Aug 29, 1972
- G02 - OPTICS
Information Patent Grant
2272520
- Patent number 2,272,520
- Issue date Feb 10, 1942
- H01 - BASIC ELECTRIC ELEMENTS