Patents by Inventor David L. Stumpff

David L. Stumpff 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).

  • Storage container for disk-shaped object
    Patent number: 5310054
    Abstract: A storage container for disk-shaped objects is described which includes a base tray, a cover, a disk-tray, a means for connecting the cover to the base tray in a hinged manner, and a means for connecting the disk tray to the base tray. The base tray includes an inside bottom surface, a pair of side walls protruding upwardly from the bottom surface, and a rear wall extending upwardly from the bottom surface. The disk tray for receiving the disk-shaped object may have an open window or may have a floor. The container can also be used without the disk tray by including extensions protruding upwardly from the bottom surface of the base tray to substantially surround the disk-shaped object.
    Type: Grant
    Filed: April 16, 1992
    Date of Patent: May 10, 1994
    Assignee: Sony Corporation
    Inventors: David L. Stumpff, Yosihiko Taniyama
  • Storage container for mini-disk cartridges
    Patent number: 5267647
    Abstract: A storage container for mini-disk cartridge is described which includes a base tray, a cover and a disk tray. The base tray includes an inside bottom surface, a pair of side walls protruding upwardly from the bottom surface, a rear wall extending upwardly from the bottom surface, and is pivotally connected to the cover. The disk tray for receiving the mini-disk cartridge may have an open window or may have a floor, and rests within the base tray. The container can also be used without the disk tray by including extensions protruding upwardly from the bottom surface of the base tray to substantially surround the mini-disk cartridge.
    Type: Grant
    Filed: January 28, 1993
    Date of Patent: December 7, 1993
    Assignee: Sony Corporation
    Inventors: David L. Stumpff, Yoshihiko Taniyama
  • Storage container for disk-shaped object
    Patent number: D335215
    Type: Grant
    Filed: January 6, 1992
    Date of Patent: May 4, 1993
    Assignee: Atlanta Precision Molding Co.
    Inventor: David L. Stumpff
  • Storage container for a mini-optical disc cartridge
    Patent number: D352199
    Type: Grant
    Filed: May 26, 1992
    Date of Patent: November 8, 1994
    Assignee: Sony Corporation
    Inventors: David L. Stumpff, Yoshihiko Taniyama, James M. Frische, Robert W. Wipper, Toshijiro Kato