Keith R. Clark

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Montgomery, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Foam insulated tank
- Patent number 4,687,118
- Issue date Aug 18, 1987
- Rheem Manufacturing Company
- Keith R. Clark
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing foam insulated tank
- Patent number 4,632,792
- Issue date Dec 30, 1986
- Rheem Manufacturing Company
- Keith R. Clark
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of manufacturing foam insulated tank
- Patent number 4,372,028
- Issue date Feb 8, 1983
- Rheem Manufacturing Company
- Keith R. Clark
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL