Patents/Inventors

Richard E. Kulak

Bristol, CTUS2 patents

3 Patents

US117950332023
Elevator Car Door Interlock
OTIS ELEVATOR COMPANY
0 cites
US116613152023
Monitoring System, Elevator Door System Having Monitoring System, and Method
OTIS ELEVATOR COMPANY
0 cites
US116551222023
Elevator Door in Interlock Assembly
OTIS ELEVATOR COMPANY
0 cites