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Provalve Trademarks
PROVALVE
Valves used with fractionation trays in distillation towers
Registered
·
April 3, 2009
·
77706386
·
PROVALVE
SURGICAL IMPLANTS, NAMELY, VALVULAR PROSTHESES
Abandoned
·
June 11, 2001
·
76269745
·
PROVALVE
VALVES USED WITH FRACTIONATION TRAYS IN DISTILLATION TOWERS
Cancelled
·
January 19, 1999
·
75622753
·
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