Herbert C. Kroh

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LaSalle, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Valve hamper assembly
- Patent number 6,253,579
- Issue date Jul 3, 2001
- Libbey Glass Inc.
- Terry E. Hartman
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Common cage assembly
- Patent number 6,233,975
- Issue date May 22, 2001
- Libbey Glass Inc.
- Terry E. Hartman
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Cooling system for a glassware machine
- Patent number 6,038,889
- Issue date Mar 21, 2000
- Libbey Glass Inc.
- Terry E. Hartman
- C03 - GLASS MINERAL OR SLAG WOOL
Information Patent Grant
Apparatus and method for pressing of glass articles at a high cavit...
- Patent number 5,851,257
- Issue date Dec 22, 1998
- Libbey Glass Inc.
- Herbert C. Kroh
- C03 - GLASS MINERAL OR SLAG WOOL