Jerry T. Mann

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Birmingham, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Adjustable height extension stem and valve box assembly
- Patent number 5,738,140
- Issue date Apr 14, 1998
- American Cast Iron Pipe Company
- Jerry Thomas Mann
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Boltless bonnet assembly for gate valve
- Patent number 4,968,002
- Issue date Nov 6, 1990
- American Cast Iron Pipe Company
- Henry B. Gibson
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...