Donald R. Trott

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Guntown, MS, US

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Patents Grantslast 30 patents

Information Patent Grant
Resilient seat seal for a valve
- Patent number 7,946,556
- Issue date May 24, 2011
- SISTAG AG Absperrtechnik
- Donald R. Trott
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...