Nicholas Mitrofanov

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Cleveland, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Ethylene quenched multi-cathode Geiger-Mueller tube with sleeve-and...
- Patent number 4,501,988
- Issue date Feb 26, 1985
- Harshaw/Filtrol Partnership
- Nicholas M. Mitrofanov
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Geiger-Mueller tube with nickel copper alloy cathode
- Patent number 4,354,135
- Issue date Oct 12, 1982
- The Harshaw Chemical Company
- Nicholas Mitrofanov
- H01 - BASIC ELECTRIC ELEMENTS