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Patents Grants
last 30 patents
Information
Patent Grant
Rope arrangement for an elevator car
Patent number
5,351,788
Issue date
Oct 4, 1994
Kone Elevator GmbH
Johannes DeJong
B66 - HOISTING LIFTING HAULING
Information
Patent Grant
Bi-directional d.c./d.c. converter compatible with an inverter bridge
Patent number
4,894,765
Issue date
Jan 16, 1990
Kone Elevator GmbH
Matti Kahkipuro
B66 - HOISTING LIFTING HAULING
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