Inventor
RAY DONALD L
US10 patents
⚠️ This page may combine multiple inventors who share the name “RAY DONALD L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
EMHART IND
9 patentsUS4904828AFeb 27, 1990
Multi-circuit slide switch assembly with distinct plunger operated switch
EMHART IND11 citations72
US4868354ASep 19, 1989
Slide switch with light guide
EMHART IND16 citations72
US4246454AJan 20, 1981
Timing mechanism having a short pulse prior to its overall program
EMHART IND15 citations72
US4531028AJul 23, 1985
Timer with improved switch blade arrangement
EMHART IND12 citations71
US4967044AOct 30, 1990
Electromechanical switch
EMHART IND14 citations70
US4611103ASep 9, 1986
Means providing intermittent motion to a cam means of a timing mechanism and having sub-interval switching means
EMHART IND8 citations70
US4348560ASep 7, 1982
Timing mechanism having a short pulse prior to its overall program
EMHART IND15 citations66
US4346270AAug 24, 1982
Timing mechanism with a digital clock
EMHART IND5 citations60
US4855543AAug 8, 1989
Manually operated electromechanical switch
EMHART IND3 citations59