Patents by Inventor Mark Tjensvold

Mark Tjensvold 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).

  • Optical disc case usable in player with disc encased therein
    Patent number: 7409698
    Abstract: A optical disc holder and protector designed to retain a disc and remain thereon when the disc is inserted into a standard disc player/recorder so as to maintain protection of the disc and allow the disc to be utilized in the player/recorder. The disc holder includes a bottom tray configured to receive a standard disc. An upper retaining flange is present contiguously integrated into an outer wall, the upper retaining flange downwardly biases an inserted disc onto a lower retaining flange peripherally disposed adjacent to the outer wall creating a barrier to dust and debris.
    Type: Grant
    Filed: October 15, 2005
    Date of Patent: August 5, 2008
    Inventors: Mark Tjensvold, Mike Tjensvold
  • Optical disc case usable in player with disc encased therein
    Publication number: 20070089120
    Abstract: A optical disc holder and protector designed to retain a disc and remain thereon when the disc is inserted into a standard disc player/recorder so as to maintain protection of the disc and allow the disc fo be utilized in the player/recorder. The disc holder includes a bottom tray configured to recieve a standard disc. An upper retaining flange is present contiguously integrated into an outer wall, the upper retaining flange downwardly biases an inserted disc onto a lower retaining flange peripherally disposed adjacent to the outer wall creating a barrier to dust and debris.
    Type: Application
    Filed: October 15, 2005
    Publication date: April 19, 2007
    Inventors: Mark Tjensvold, Mike Tjensvold