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Lorenz J. Happel JR.
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Ellicott City, MD, US
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last 30 patents
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Patent Grant
Video opto-diagnostic instrument with single-adjustment focus
Patent number
6,511,420
Issue date
Jan 28, 2003
The Johns Hopkins University
Richard A. Farrell
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
Video opto-diagnostic instrument with single-adjustment focus
Publication number
20050234300
Publication date
Oct 20, 2005
Richard A. Farrell
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Application
Video opto-diagnostic instrument with single-adjustment focus
Publication number
20030114733
Publication date
Jun 19, 2003
Richard A. Farrell
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE