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Fritz Banziger
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Gross Wesenberg, DE
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last 30 patents
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Patent Grant
Speaking and hearing system for breathing apparatus
Patent number
4,799,263
Issue date
Jan 17, 1989
Dragerwerk AG
Fritz A. Banziger
B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Patent Grant
Respirator for use in pressure chambers
Patent number
4,452,242
Issue date
Jun 5, 1984
Dragerwerk Aktiengesellschaft
Fritz Banziger
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE