Osmo Ivanto

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Hyvinkaa, FI

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Patents Grantslast 30 patents

Information Patent Grant
Frequency converter-controlled squirrel cage motor
- Patent number 4,771,197
- Issue date Sep 13, 1988
- Elevator GmbH
- Osmo Ivanto
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Signalling procedure for a lift and a signalling system
- Patent number 4,742,893
- Issue date May 10, 1988
- Elevator GmbH
- Matti Otala
- B66 - HOISTING LIFTING HAULING