Patents by Inventor Kenneth S. Lim

Kenneth S. Lim 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).

  • Patent number: 4939420
    Abstract: A ballast transformer for fluorescent reflector lamp assemblies used in screw-type sockets for conventional incandescent bulbs.
    Type: Grant
    Filed: May 23, 1988
    Date of Patent: July 3, 1990
    Inventor: Kenneth S. Lim
  • Patent number: 4746840
    Abstract: A fluorescent reflector lamp assembly for use in screw-type sockets for conventional incandescent bulbs includes an Edison-type base connector, a generally annular ballast housing, a reflective shell formed of a heat-conducting material and having a tubular base adapted to seat within a central recess encompassed by the ballast housing, and a receiving member mounted in the recess to receive a fluorescent lamp whose base abuttingly engages a substantial area of the sidewall of the reflector base.
    Type: Grant
    Filed: April 6, 1987
    Date of Patent: May 24, 1988
    Inventor: Kenneth S. Lim
  • Patent number: D317508
    Type: Grant
    Filed: March 8, 1989
    Date of Patent: June 11, 1991
    Inventor: Kenneth S. Lim
  • Patent number: D339646
    Type: Grant
    Filed: December 24, 1991
    Date of Patent: September 21, 1993
    Inventor: Kenneth S. Lim