Patents by Inventor Clifford G. Martin

Clifford G. Martin 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: 8299359
    Abstract: An installation of a wiring device configured to receive a cover plate which snaps on to a wiring device such as a switch or receptacle. With this invention, openings for threaded fasteners in the face of the cover plate are eliminated. In an embodiment, the cover plate has an opening sized to accommodate a wiring device and supports, on opposing side walls of the opening, at least one protrusion. The protrusions on the cover plate are located to detachably engage corresponding protrusions on the wiring device as the cover plate is pressed onto the wiring device.
    Type: Grant
    Filed: May 5, 2011
    Date of Patent: October 30, 2012
    Assignee: Leviton Manufacturing Company, Inc.
    Inventors: David Alderson, Michael D. Williams, Clifford G. Martin
  • Publication number: 20110203828
    Abstract: An installation of a wiring device configured to receive a cover plate which snaps on to a wiring device such as a switch or receptacle. With this invention, openings for threaded fasteners in the face of the cover plate are eliminated. In an embodiment, the cover plate has an opening sized to accommodate a wiring device and supports, on opposing side walls of the opening, at least one protrusion. The protrusions on the cover plate are located to detachably engage corresponding protrusions on the wiring device as the cover plate is pressed onto the wiring device.
    Type: Application
    Filed: May 5, 2011
    Publication date: August 25, 2011
    Applicant: LEVITON MANUFACTURING CO., INC.
    Inventors: David ALDERSON, Michael D. WILLIAMS, Clifford G. MARTIN
  • Patent number: 7960651
    Abstract: The present invention relates to an installation of a wiring device configured to receive a cover plate which snaps on to a wiring device such as a switch or receptacle. With this invention, openings for threaded fasteners in the face of the cover plate are eliminated. In an embodiment, the cover plate has an opening sized to accommodate a wiring device and supports, on opposing side walls of the opening, at least one protrusion. The protrusions on the cover plate are located to detachably engage corresponding protrusions on the wiring device as the cover plate is pressed onto the wiring device.
    Type: Grant
    Filed: May 4, 2007
    Date of Patent: June 14, 2011
    Assignee: Leviton Manufacturing Company, Inc.
    Inventors: David Alderson, Michael D. Williams, Clifford G. Martin
  • Publication number: 20080017398
    Abstract: The present invention relates to an installation of a wiring device configured to receive a cover plate which snaps on to a wiring device such as a switch or receptacle. With this invention, openings for threaded fasteners in the face of the cover plate are eliminated. In an embodiment, the cover plate has an opening sized to accommodate a wiring device and supports, on opposing side walls of the opening, at least one protrusion. The protrusions on the cover plate are located to detachably engage corresponding protrusions on the wiring device as the cover plate is pressed onto the wiring device.
    Type: Application
    Filed: May 4, 2007
    Publication date: January 24, 2008
    Inventors: David Alderson, Michael D. Williams, Clifford G. Martin
  • Patent number: 5950812
    Abstract: A rocker-type switch having components which can be assembled by automatic assembly machines and do not require the intervention of a human operator. A star shaped spring provides the necessary forces to hold the rocker in a selected position and hold the rocker to a switch spacer and couple the rocker to a movable contact arm. The movable contact arm is inserted in the switch spacer. The star spring is assembled to the rocker and the rocker is assembled to the movable contact arm when the rocker is assembled to the switch spacer.
    Type: Grant
    Filed: March 26, 1999
    Date of Patent: September 14, 1999
    Assignee: Leviton Manufacturing Co., Inc.
    Inventors: Mehmet K. Tanacan, Gregory Lawren, Ralph Giannuzzi, Michael D. Williams, Clifford G. Martin