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Barry J. Feldman
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Cheshire, CT, US
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last 30 patents
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Patent Grant
Method and apparatus for conveniently setting a predetermined volum...
Patent number
6,408,848
Issue date
Jun 25, 2002
NTC Technology, Inc.
Barry J. Feldman
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Airway valve
Patent number
D424193
Issue date
May 2, 2000
NTC Technology, Inc.
William J. Wohltmann
D24 - Medical and laboratory equipment