Inventor

THOMPSON DARRELL T

2 patents

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

FORESIGHT ENTERPRISES INC

1 patent

US4263108AApr 21, 1981

Control system for the electrolytic recovery of silver from photographic fixing solution

FORESIGHT ENTERPRISES INC11 citations68

THOMPSON DARRELL T

1 patent

US4235537ANov 25, 1980

Method of testing photographic film using multicolor sensitometer

THOMPSON DARRELL T6 citations49