Frank C. Hackman

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Albertville, AL, US

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Patents Grantslast 30 patents

Information Patent Grant
Resilient seated gate valve with split body
- Patent number 3,963,214
- Issue date Jun 15, 1976
- Mueller Co.
- Frank C. Hackman
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...