Wallace Hamilton

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Chagrin Falls, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Poke hole closure apparatus
- Patent number 4,211,536
- Issue date Jul 8, 1980
- McDowell-Wellman Company
- Wallace Hamilton
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...