Griffin & Cantrell Co., Inc.

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Mt. Juliet, TN, US

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Patents Grantslast 30 patents

Information Patent Grant
Enhanced features for backflow prevention device cover
- Patent number 5,996,611
- Issue date Dec 7, 1999
- Griffin & Cantrell Co., Inc.
- Herman W. Griffin
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Drain channel and forms for backflow prevention device cover
- Patent number 5,743,289
- Issue date Apr 28, 1998
- Griffin & Cantrell Co., Inc.
- Herman W. Griffin
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

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