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Calvin J. Ross
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Suffolk, GB
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last 30 patents
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Patent Grant
Liquid dispensing apparatus having a vibrating perforate membrane
Patent number
5,261,601
Issue date
Nov 16, 1993
Bespak Plc
Calvin J. Ross
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Pump apparatus for biomedical use
Patent number
5,205,819
Issue date
Apr 27, 1993
Bespak Plc
Calvin J. Ross
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dispensing apparatus having a perforate outlet member and a vibrati...
Patent number
5,152,456
Issue date
Oct 6, 1992
Bespak, PLC
Calvin J. Ross
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE