Inventor

VARNUM GERALD F

US3 patents

⚠️ This page may combine multiple inventors who share the name “VARNUM GERALD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FISHER CONTROLS INT

2 patents

US4509403AApr 9, 1985

Positioner having user-adjustable dynamic response

FISHER CONTROLS INT30 citations89

US4691573ASep 8, 1987

Pressure sensor

FISHER CONTROLS INT18 citations64

FISHER CONTROLS CO

1 patent

US4453559AJun 12, 1984

Pneumatic controller

FISHER CONTROLS CO2 citations60