Assignee
TORK INC
3 patents
Top patents by PatentIndex Score
US4071749AJan 31, 1978
Self-contained maintenance-free emergency lighting
TORK INC74 citations85
US4349863ASep 14, 1982
Emergency lighting system
TORK INC32 citations80
US4687985AAug 18, 1987
Two terminal control switch having a main switch and a saturable current transformer whose primary winding is series connected with the main switch
TORK INC11 citations73