Bristol, Connecticut
United States
7
2021-12-09
The entities that hold a legal rights for patent applications filed by inventor Kulak Richard E.:
Richard E. Kulak from Bristol, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Elevator car door interlock
#2 | 2020-08-20Elevator car door interlock
#3 | 2020-05-14Monitoring system, elevator door system having monitoring system, and method
#4 | 2018-09-20Elevator car door interlock
#5 | 2018-08-16Car door interlock with sill lock
#6 | 2017-03-02Alignment system for an elevator car
#7 | 2017-02-02Monitoring system, elevator door system having monitoring system, and method
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