Patents by Inventor Pinkston S. Harper

Pinkston S. Harper 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: 5357414
    Abstract: A cantilevered electrical light fixture (10) has a power supply line (30) running through it from a mounted end (17) to an internal connection zone (36) at a cantilevered end (18). A cover (52) closes the internal connection zone (36) and mounts a plug-half (40) and a switch (42), which are electrically connected to the power supply line (30). A light head (16) mounted to the cantilevered end (18) by a post (76) with a non-circular portion (78) and a threaded shank (80) has lamp wiring (110) connected to a plug-half (120) which releasably mates with the plug-half (40) mounted to the arm (12). A U-shaped bracket (116) mounts a socket (114) to a shell (84) of the light head (16) to bias the lamp bulb (154) against the shell (84).
    Type: Grant
    Filed: January 22, 1993
    Date of Patent: October 18, 1994
    Assignee: Phoenix Products Company, Inc.
    Inventors: Mark T. Dane, Henry J. Griesmer, Catherine Alexander, Peter M. Zimmerman, Pinkston S. Harper, Steven A. Nickel, Ronald A. Crawford, Donald J. Zach, Robert T. Jones, James F. Morton, Brian K. Johnston