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Werner E. Erfurt
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Herrsching, DE
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last 30 patents
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Patent Grant
Endoscope
Patent number
4,306,546
Issue date
Dec 22, 1981
Propper Manufacturing Co., Inc.
Helmut A. Heine
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Endoscope
Patent number
4,215,678
Issue date
Aug 5, 1980
Propper Manufacturing Co., Inc.
Helmut A. Heine
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE