Patents by Inventor Zei C. Wu

Zei C. Wu 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).

  • Combination plug
    Patent number: 4684914
    Abstract: A plug having an outer housing and an insert. The insert comprises fuse blocks and prongs. The outer housing has a sliding door for checking and/or changing the fuses. The outer housing also has a conduction wire inlet, through which the conduction wires fit, and prong holes through which the prongs of the insert can fit, so as to allow for easy assemblage of the plug. The insert slideably fits into the outer housing.
    Type: Grant
    Filed: October 16, 1986
    Date of Patent: August 4, 1987
    Inventor: Zei C. Wu