Inventor
DAHLEN THEODORE E
6 patents
⚠️ This page may combine multiple inventors who share the name “DAHLEN THEODORE E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL & HOWELL CO
4 patentsUS4111537ASep 5, 1978
Optical structure for microfiche reader
BELL & HOWELL CO2 citations60
US4079296AMar 14, 1978
Variable speed AC motor control circuit
BELL & HOWELL CO3 citations57
US4105312AAug 8, 1978
Carriage mechanism for microfiche reader
BELL & HOWELL CO1 citations50
US4054378AOct 18, 1977
Selector interlock for microfiche cartridge
BELL & HOWELL CO1 citations50