Patents by Inventor Hugo T. Cheng

Hugo T. Cheng 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: D395297
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: June 16, 1998
    Assignee: Digital Equipment Corp.
    Inventors: Hugo T. Cheng, Joseph M. Ballay, Peter Lucas
  • Patent number: D398299
    Type: Grant
    Filed: September 17, 1993
    Date of Patent: September 15, 1998
    Assignee: Digital Equipment Corporation
    Inventors: Joseph M. Ballay, Peter Lucas, Hugo T. Cheng