Inventor
BORK JR CARL R
US5 patents
Patents
5 patentsUS4687017AAug 18, 1987
Inverted bellows valve
NUPRO CO94 citations94
US4684106AAug 4, 1987
Valve
NUPRO CO25 citations91
US4606374AAug 19, 1986
Valve
NUPRO CO42 citations91
US4530373AJul 23, 1985
Pressure relief valve
NUPRO CO43 citations90
US4634099AJan 6, 1987
High pressure inverted bellows valve
NUPRO CO35 citations89