Leo J. Meyers

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Penn Hills, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Ascension pipe and elbow cleaning apparatus
- Patent number 4,233,119
- Issue date Nov 11, 1980
- Louis A. Grant, Inc.
- Leo J. Meyers
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Grant
Exhaust hood apparatus with tilting furnace
- Patent number 4,177,975
- Issue date Dec 11, 1979
- Louis A. Grant, Inc.
- Leo J. Meyers
- C21 - METALLURGY OF IRON
Information Patent Grant
Apparatus for changing blast furnace tuyeres
- Patent number 4,087,084
- Issue date May 2, 1978
- Louis A. Grant, Inc.
- Leo J. Meyers
- C21 - METALLURGY OF IRON