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Cecil Hershler
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Vancouver, CA
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Patents Grants
last 30 patents
Information
Patent Grant
Continuous non-invasive blood pressure monitoring method and apparatus
Patent number
6,893,401
Issue date
May 17, 2005
VSM Medtech LTD
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Continuous non-invasive blood pressure monitoring method and apparatus
Patent number
6,599,251
Issue date
Jul 29, 2003
VSM Medtech LTD
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Multi-patient monitoring apparatus and method
Patent number
5,907,291
Issue date
May 25, 1999
VSM Technology Inc.
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Recording biological signals using Hilbert transforms
Patent number
5,497,781
Issue date
Mar 12, 1996
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Brush-tip electrode
Patent number
5,443,559
Issue date
Aug 22, 1995
The University of British Columbia
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Biological electrode array
Patent number
5,299,572
Issue date
Apr 5, 1994
University of British Columbia
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
Continuous non-invasive blood pressure monitoring method and apparatus
Publication number
20030199770
Publication date
Oct 23, 2003
VSM Medtech Ltd.
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Continuous non-invasive blood pressure monitoring method and apparatus
Publication number
20020058876
Publication date
May 16, 2002
Yunquan Chen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE