Patents by Inventor Kenneth H. Yuen

Kenneth H. Yuen 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).

  • Ink cartridge opener
    Patent number: 5546830
    Abstract: An ink cartridge opener is used connection with a flat support surface. The ink cartridge opener includes a base stand adapted to hold a first portion of a ink cartridge. An opening mechanism with the base stand applies sideways force to another portion of the ink cartridge in order to open the cartridge.
    Type: Grant
    Filed: April 26, 1994
    Date of Patent: August 20, 1996
    Inventor: Kenneth H. Yuen