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Michael Waschmann
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Lubeck, DE
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last 30 patents
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Patent Grant
Device for controlling respirating gas in an anaesthesia or respira...
Patent number
4,846,169
Issue date
Jul 11, 1989
Dragerwerk Aktiengesellschaft
Lothar Kleinschmidt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Device for supplying breathing gas into a closed ventilating circui...
Patent number
4,579,115
Issue date
Apr 1, 1986
Dragerwerk AG
Carl F. Wallroth
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE