Roy E. Soderberg

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N. Kingstown, RI, US

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Patents Grantslast 30 patents

Information Patent Grant
Blowdown valve
- Patent number 4,449,544
- Issue date May 22, 1984
- Crosby Valve & Gage Company
- Roy E. Soderberg
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...