Inventor
JOHNSON LEO F
US8 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON LEO F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BELL TELEPHONE LABOR INC
5 patentsUS4245883AJan 20, 1981
Electrochromic optical device
BELL TELEPHONE LABOR INC30 citations92
US4372641AFeb 8, 1983
Optical waveguide termination
BELL TELEPHONE LABOR INC21 citations81
US4240693ADec 23, 1980
Electro-optical device based on electroplating action
BELL TELEPHONE LABOR INC21 citations81
US4321282AMar 23, 1982
Surface gratings and a method of increasing their spatial frequency
BELL TELEPHONE LABOR INC18 citations80
US4241109ADec 23, 1980
Technique for altering the profile of grating relief patterns
BELL TELEPHONE LABOR INC25 citations80