Inventor

TOBBE WILLIAM P

US5 patents

Patents

5 patents

US4262880AApr 21, 1981

Plug valve

NUPRO CO67 citations94

US4684106AAug 4, 1987

Valve

NUPRO CO25 citations91

US4606374AAug 19, 1986

Valve

NUPRO CO42 citations91

US4530373AJul 23, 1985

Pressure relief valve

NUPRO CO43 citations90

US4028254AJun 7, 1977

Fluid filter

NUPRO CO29 citations78