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DirectCrown, LLC
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Eugene, OR, US
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Patents Grants
last 30 patents
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Patent Grant
Quadrant and anterior dental shells and method of making a multi-to...
Patent number
6,447,296
Issue date
Sep 10, 2002
Directcrown, LLC
Mark L. Worthington
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
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Patent Application
Composite temporary and long-term provisional crowns and bridges
Publication number
20030039943
Publication date
Feb 27, 2003
DirectCrown, LLC
Mark L. Worthington
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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last 30 trademarks