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last 30 patents
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Patent Grant
Breathing apparatus and method for controlling same
Patent number
5,915,381
Issue date
Jun 29, 1999
Siemens-Elema AB
Magnus Nord
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Method and apparatus for maintaining a defined respiratory gas flow...
Patent number
5,743,253
Issue date
Apr 28, 1998
Siemens Eleman AB
Rolf Castor
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE