Patents by Inventor James Hu

James Hu 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).

  • Expandable disc holder assembly
    Patent number: 5180058
    Abstract: A disc holder assembly including front and back cartridges defining flat outer surfaces of the assembly and one or more intermediate cartridges detachably and pivotably secured to the front and back cartridges or to each other to permit the insertion into or removal from each intermediate cartridge of a floppy diskette or compact disc when the assembly is pivoted into an open position forming a cylindrical sector.
    Type: Grant
    Filed: November 25, 1991
    Date of Patent: January 19, 1993
    Assignee: Pro Eton Corporation
    Inventor: James Hu
  • Paper clip dispenser
    Patent number: D329464
    Type: Grant
    Filed: December 27, 1990
    Date of Patent: September 15, 1992
    Assignee: Pro Eton Corporation
    Inventor: James Hu
  • Pen
    Patent number: D331779
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: December 15, 1992
    Assignee: Pro Eton Corporation
    Inventor: James Hu
  • Pen
    Patent number: D332282
    Type: Grant
    Filed: June 26, 1991
    Date of Patent: January 5, 1993
    Assignee: Pro Eton Corporation
    Inventor: James Hu
  • Pen
    Patent number: D335893
    Type: Grant
    Filed: November 15, 1991
    Date of Patent: May 25, 1993
    Assignee: Pro Eton Corporation
    Inventor: James Hu
  • Paper clip dispenser
    Patent number: D345378
    Type: Grant
    Filed: September 22, 1992
    Date of Patent: March 22, 1994
    Assignee: Pro Eton Corporation
    Inventor: James Hu