Inventor

PATTERSON DARYLL D

US4 patents

Patents

4 patents

US4693267ASep 15, 1987

Self-venting pressure reducing regulator

TESCOM CORP59 citations92

US5234026AAug 10, 1993

Pressure reducing regulator

TESCOM CORP56 citations89

US6997440B2Feb 14, 2006

Packless valve apparatus

TESCOM CORP13 citations80

US4700735AOct 20, 1987

Fluid actuated valve apparatus

TESCOM CORP18 citations70