Patents by Inventor Wei Gao Li

Wei Gao Li 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).

  • Dustfree and waterproof rolling-ball optical mouse
    Patent number: 7777724
    Abstract: A dustfree and waterproof rolling-ball optical mouse includes a concave housing; a rolling ball movably engaged with the concave housing; a dustproof gasket fixed on the concave surface of the concave housing; a leakage hole of a conduit defined in a center of the concave surface of the concave housing; an aperture for allowing light through which is eccentrically defined in the bottom of the concave surface of the concave housing; and a waterproof tab formed around the edge of the aperture.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: August 17, 2010
    Inventor: Wei Gao Li
  • Dustfree and waterproof rolling-ball optical mouse
    Publication number: 20070146328
    Abstract: A dustfree and waterproof rolling-ball optical mouse comprising: a concave housing (1); a rolling ball (3) movably engaged with said concave housing; a dustproof gasket (2) fixed on the concave surface of the concave housing; a leakage hole (22) of a conduit (4) defined in a center of said concave surface of said concave housing; an aperture (21) for allowing light through which is eccentrically defined in the bottom of said concave surface of said concave housing; and a waterproof tab (28) formed around the edge of said aperture.
    Type: Application
    Filed: September 13, 2006
    Publication date: June 28, 2007
    Inventor: Wei Gao Li