Patents by Inventor Don C. Shreve

Don C. Shreve 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).

  • Antitheft mailbox
    Patent number: 7252220
    Abstract: A mailbox comprising side and back walls, a top and a bottom secured together to form an enclosure, a front access door mounted to the front wall, a rear access door connected to the rear access door, and a tray accessible through the front access door and vertically adjustable.
    Type: Grant
    Filed: August 2, 2004
    Date of Patent: August 7, 2007
    Inventor: Don C. Shreve
  • Mailbox
    Patent number: D468887
    Type: Grant
    Filed: April 24, 2002
    Date of Patent: January 14, 2003
    Inventor: Don C. Shreve