Magnetically actuated rising stem valve | Patent Number 04382578
US 04382578 NAFilled DateAug 4, 1980
Priority DateMay 17, 1979
Publication Date-
Expiration DateMay 10, 1987
Inventor/Applicants Robert F. Ruyak
ExaminesROSENTHAL, ARNOLD
Art Unit3401
Technology Center3400
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