Patents by Inventor Huen S. Chan

Huen S. Chan 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).

  • Portable electronics apparatus housing and chassis
    Patent number: 5148350
    Abstract: A housing including heatsink and cam surfaces formed as a single unit and a chassis formed integrally with screw-less circuit board mounting apparatus and designed to fit within the housing so that power transistors mounted on a circuit board are urged into heat conducting contact with the heatsink by the cam surfaces when circuit boards are assembled on the chassis and the chassis is assembled in the housing.
    Type: Grant
    Filed: April 23, 1990
    Date of Patent: September 15, 1992
    Assignee: Motorola, Inc.
    Inventors: Huen S. Chan, Chee S. Leong, Dah C. Lim