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Chester E. Sievert JR.
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Minneapolis, MN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Optical forceps system and method of diagnosing and treating tissue
Patent number
6,394,964
Issue date
May 28, 2002
SpectraScience, Inc.
Chester E. Sievert
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical biopsy system and methods for tissue diagnosis
Patent number
6,174,291
Issue date
Jan 16, 2001
SpectraScience, Inc.
Brain T. McMahon
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Optical biopsy forceps system and method of diagnosing tissue
Patent number
6,066,102
Issue date
May 23, 2000
SpectraScience, Inc.
Greg L. Townsend
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Local application tumor treatment apparatus
Patent number
5,197,940
Issue date
Mar 30, 1993
Hypertherm Corp.
Chester E. Sievert
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
System and method for non-endoscopic optical biopsy detection of di...
Publication number
20070093703
Publication date
Apr 26, 2007
Chester E. Sievert
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Photodynamic therapy utilizing multiple duty cycle light modulation
Publication number
20060234959
Publication date
Oct 19, 2006
Advanced Photodynamic Technologies, Inc.
Merrill A. Biel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
Wound treatment device for photodynamic therapy and method of using...
Publication number
20060173514
Publication date
Aug 3, 2006
Advanced Photodynamic Technologies, Inc.
Merrill A. Biel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE