Patents by Inventor Lee Culp

Lee Culp has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Enhanced tooth shade guide
    Patent number: 7118374
    Abstract: The invention relates to an enhanced electronic shade guide that includes addtitional hue-chroma information between the shades of existing shade guides and value information for the measured tooth. The shade guide provides a recipe for constructing a restoration or replacement for the tooth. A comparison of the patient's tooth to the stored tooth shades is preferably performed electronically by a suitable software program that contains the shade guide information of the present invention.
    Type: Grant
    Filed: June 9, 2003
    Date of Patent: October 10, 2006
    Assignee: Ivoclar Vivadent AG
    Inventor: Lee Culp
  • Enhanced tooth shade guide
    Publication number: 20040248057
    Abstract: The invention relates to an enhanced electronic shade guide that includes addtitional hue-chroma information between the shades of existing shade guides and value information for the measured tooth. The shade guide provides a recipe for constructing a restoration or replacement for the tooth. A comparison of the patient's tooth to the stored tooth shades is preferably performed electronically by a suitable software program that contains the shade guide information of the present invention.
    Type: Application
    Filed: June 9, 2003
    Publication date: December 9, 2004
    Inventor: Lee Culp
  • Set of posterior teeth
    Patent number: D487314
    Type: Grant
    Filed: January 13, 2003
    Date of Patent: March 2, 2004
    Assignee: Ivoclar Vivadent, Inc.
    Inventors: Lee Culp, Frank R. Lauciello