Mark L. Worthington

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Eugene, OR, US

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Patents Grantslast 30 patents

Information Patent Grant
Composite temporary and long-term provisional crowns and bridges
- Patent number 7,726,970
- Issue date Jun 1, 2010
- CrownBeav LLC
- Mark L. Worthington
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information 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
Information Patent Grant
Shells for temporary and provisional crowns with an hourglass shape...
- Patent number 6,257,892
- Issue date Jul 10, 2001
- Flexible Dimensions, LLC
- Mark L. Worthington
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Flexible dimension temporary and long-term provisional crowns
- Patent number 6,068,481
- Issue date May 30, 2000
- Flexible Dimensions, LLC
- Mark L. Worthington
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

Information Patent Application
Flexible dimension crown shells
- Publication number 20050244770
- Publication date Nov 3, 2005
- Direct Crown, LLC, an Oregon limited liability company
- Mark L. Worthington
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information 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
Information Patent Application
Quadrant and anterior dental shells and method of making a multi-to...
- Publication number 20010036618
- Publication date Nov 1, 2001
- Mark L. Worthington
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE