Patents by Inventor Jem Dong Lu

Jem Dong Lu 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).

  • Protective lamp-shade
    Patent number: 5291379
    Abstract: Disclosed is a protective lamp-shade consisted of a cylindrical shell molded from polycarbonate resin, and two silicone rubber end caps mounted on the lamp tube of a lamp assembly at two opposite ends to hold the cylindrical shell in place, wherein the cylindrical shell has parallel teeth around the inside or outside wall to refract the light of the lamp tube of the lamp assembly, and is peripherally and partially coated with a layer of white zinc coating along its length for reflecting the light of the lamp tube of the lamp assembly.
    Type: Grant
    Filed: April 1, 1993
    Date of Patent: March 1, 1994
    Inventor: Jem Dong Lu