George W. Merritt

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Akron, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Inversion-resistant, readily-openable tide gate valve
- Patent number 4,607,663
- Issue date Aug 26, 1986
- Red Valve Co., Inc.
- Spiros G. Raftis
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Inversion-resistant tide gate valve
- Patent number 4,585,031
- Issue date Apr 29, 1986
- Red Valve Co., Inc.
- Spiros G. Raftis
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Deformable sleeve for a pinch valve
- Patent number 4,523,738
- Issue date Jun 18, 1985
- Red Valve Co. Inc.
- Spiros G. Raftis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...