Waterguard, Inc.

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Rockville, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Flush valve leakage prevention and detection device
- Patent number 5,327,931
- Issue date Jul 12, 1994
- Waterguard, Inc.
- Galen E. Royalty
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Flush valve leakage prevention and detection device
- Patent number 5,232,011
- Issue date Aug 3, 1993
- Waterguard, Inc.
- Galen E. Royalty
- E03 - WATER SUPPLY SEWERAGE

Patents Applicationslast 30 patents

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