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Robert W. Schaefer
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Bolton, MA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Urethral cap
Patent number
5,908,379
Issue date
Jun 1, 1999
Insight Medical Corporation
Robert W. Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Cannula reducer
Patent number
5,437,646
Issue date
Aug 1, 1995
Apple Medical Corporation
Robert B. Hunt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Endoscopic cannula with tricuspid leaf valve
Patent number
5,273,545
Issue date
Dec 28, 1993
Apple Medical Corporation
Robert B. Hunt
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
SURGICAL WOUND RETRACTOR WITH REUSABLE RINGS
Publication number
20080300467
Publication date
Dec 4, 2008
Robert W. Schaefer
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE