Patents by Inventor Thomas E. Holbrook

Thomas E. Holbrook 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).

  • Ultrasonic dental tip
    Patent number: D450847
    Type: Grant
    Filed: January 11, 2001
    Date of Patent: November 20, 2001
    Inventors: James Feine, Thomas E. Holbrook
  • Helix dental tip
    Patent number: D460555
    Type: Grant
    Filed: October 3, 2001
    Date of Patent: July 16, 2002
    Assignee: Ultrasonic Services, Inc.
    Inventor: Thomas E. Holbrook