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Helmut Holtmann
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Stockelsdorf, DE
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last 30 patents
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Patent Grant
Hinge for a container
Patent number
6,513,195
Issue date
Feb 4, 2003
Drager Medizintechnik GmbH
Thomas Haase
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Humidifying system with a filling level control for the liquid to b...
Patent number
6,031,968
Issue date
Feb 29, 2000
Dragerwerk AG
Helmut Holtmann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Pivotable irradiating device
Patent number
5,830,123
Issue date
Nov 3, 1998
Dragerwerk AG
Wolfgang Franz
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE