Ronald Smelkinson

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Chesapeake, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Leak-preventing toilet flush valve assembly
- Patent number 6,109,294
- Issue date Aug 29, 2000
- Lamar R. Ray
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Leak-preventing toilet flush valve assembly
- Patent number 5,950,666
- Issue date Sep 14, 1999
- Lamar R. Ray
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Leak-preventing toilet flush valve assembly
- Patent number 5,775,366
- Issue date Jul 7, 1998
- Lamar R. Ray
- E03 - WATER SUPPLY SEWERAGE