Patents by Inventor Warren W. Opheim

Warren W. Opheim 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).

  • Patent number: 6220539
    Abstract: A drive can handle media cartridges of differing physical size provided the relative positioning of the drive/control mechanism and the media access opening for the cartridges can be held constant. Numerous possible structures and cartridges using this concept are disclosed.
    Type: Grant
    Filed: November 2, 1999
    Date of Patent: April 24, 2001
    Assignee: Imation Corp.
    Inventors: James S. Anderson, Sten R. Gerfast, Warren W. Opheim, Robert W. Tapani, Hung T. Tran
  • Patent number: 6079653
    Abstract: A drive can handle media cartridges of differing physical size provided the relative positioning of the drive/control mechanism and the media access opening for the cartridges can be held constant. Numerous possible structures and cartridges using this concept are disclosed.
    Type: Grant
    Filed: July 10, 1998
    Date of Patent: June 27, 2000
    Assignee: Imation Corp.
    Inventors: James S. Anderson, Sten R. Gerfast, Warren W. Opheim, Robert W. Tapani, Hung T. Tran
  • Patent number: 5779172
    Abstract: A drive can handle media cartridges of differing physical size provided the relative positioning of the drive/control mechanism and the media access opening for the cartridges can be held constant. Numerous possible structures and cartridges using this concept are disclosed.
    Type: Grant
    Filed: September 23, 1996
    Date of Patent: July 14, 1998
    Assignee: Imation Corp.
    Inventors: James S. Anderson, Sten R. Gerfast, Warren W. Opheim, Robert W. Tapani, Hung T. Tran
  • Patent number: 5558291
    Abstract: A drive can handle media cartridges of differing physical size provided the relative positioning of the drive/control mechanism and the media access opening for the cartridges can be held constant. Numerous possible structures and cartridges using this concept are disclosed.
    Type: Grant
    Filed: May 16, 1994
    Date of Patent: September 24, 1996
    Assignee: Imation Corp.
    Inventors: James S. Anderson, Sten R. Gerfast, Warren W. Opheim, Robert W. Tapani, Hung T. Tran