Patents by Inventor Shih Y. Tso

Shih Y. Tso 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).

  • Clamp for fastening a shell which encompasses a trackball to a keyboard of a laptop computer
    Patent number: 5253836
    Abstract: A clamp for fastening a shell which encompasses a trackball to a keyboard. The clamp has a tray having a dovetail for engaging with a dovetail slot of the shell, a replaceable buckle strip with a bent portion to be inserted in a clearance between keys and a margin of the keyboard, and a spring-biased element for abutting the margin, so that the buckle strip cooperates with the spring-biased element to clamp the margin, thereby maintaining the shell in a stable position relative to the keyboard.
    Type: Grant
    Filed: May 13, 1992
    Date of Patent: October 19, 1993
    Inventor: Shih Y. Tso
  • Scanner
    Patent number: D340450
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: October 19, 1993
    Inventor: Shih Y. Tso
  • Computer mouse
    Patent number: D340923
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: November 2, 1993
    Inventor: Shih Y. Tso
  • Computer mouse
    Patent number: D340924
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: November 2, 1993
    Inventor: Shih Y. Tso