Back-Flo Alarm Valve Co., Inc.

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Combined alarm and back-flow prevention arrangement for fire suppre...
- Patent number 5,390,744
- Issue date Feb 21, 1995
- Back-Flo Alarm Valve Co., Inc.
- George J. McHugh
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Combined alarm and back-flow prevention arrangement for fire suppre...
- Patent number 5,297,635
- Issue date Mar 29, 1994
- Back-Flo Alarm Valve Co., Inc.
- George J. McHugh
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Combined alarm and back-flow prevention arrangement for fire suppre...
- Patent number 5,154,232
- Issue date Oct 13, 1992
- Back-Flo Alarm Valve Co., Inc.
- George J. McHugh
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Combined alarm and back-flow prevention arrangement for fire suppre...
- Patent number 4,991,655
- Issue date Feb 12, 1991
- Back-Flo Alarm Valve Co., Inc.
- George J. McHugh
- E03 - WATER SUPPLY SEWERAGE

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