Marvin L. Barkhau

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Elmore, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Forming laminated glass containers from a composite encapsulated go...
- Patent number 4,740,401
- Issue date Apr 26, 1988
- Owens-Illinois Glass Container Inc.
- Marvin L. Barkhau
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Electrically heated forehearth and method of controlling molten gla...
- Patent number 4,515,614
- Issue date May 7, 1985
- Owens-Illinois, Inc.
- Marvin L. Barkhau
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Forehearth for molten glass and method of using same
- Patent number 4,511,385
- Issue date Apr 16, 1985
- Owens-Illinois, Inc.
- Marvin L. Barkhau
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Electric boosting control for a glass forehearth
- Patent number 4,389,725
- Issue date Jun 21, 1983
- Owens-Illinois, Inc.
- Marvin L. Barkhau
- C03 - GLASS MINERAL OR SLAG WOOL