John A. Belcher

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Pleasant Hills Borough, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Spotting method and apparatus for coke oven batteries
- Patent number 4,162,944
- Issue date Jul 31, 1979
- United States Steel Corporation
- John A. Belcher
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...