Patents by Inventor Clifford M. Laughter

Clifford M. Laughter 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).

  • Luminaire assembly
    Patent number: 4031382
    Abstract: Device for hingedly attaching luminaire globe to ballast housing. Ring member extending around the rim of the globe has a plurality of hooks detachably engaged by latches on the ballast housing. One of the hooks is constructed to captively hinge the globe to the housing.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: June 21, 1977
    Assignee: General Electric Company
    Inventor: Clifford M. Laughter
  • Thermal switch device
    Patent number: 3952192
    Abstract: Thermal switch assembly for photoelectric control device to switch loads such as street lighting luminaires on and off in response to ambient light levels. Housing having a portion integral with base of photocontrol unit and having a removable cap contains a bimetal relay assembly and positive temperature co-efficient resistor (PTCR) connected to a photocell for actuating the electrical contacts of the relay assembly.
    Type: Grant
    Filed: May 27, 1975
    Date of Patent: April 20, 1976
    Assignee: General Electric Company
    Inventors: Charlie B. Turner, Clifford M. Laughter
  • Luminaire
    Patent number: D248502
    Type: Grant
    Filed: June 6, 1977
    Date of Patent: July 11, 1978
    Assignee: General Electric Company
    Inventor: Clifford M. Laughter
  • Luminaire ballast housing
    Patent number: D268212
    Type: Grant
    Filed: July 23, 1980
    Date of Patent: March 8, 1983
    Assignee: General Electric Company
    Inventor: Clifford M. Laughter