Patents by Inventor Robert M. Bartley

Robert M. Bartley 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).

  • Switch having combined light pipe and printed circuit board
    Patent number: 5521342
    Abstract: An illuminated elastomeric keypad switch assembly has an optical conductor on which a printed circuit is printed via electrically conductive ink and a keypad provided with translucent areas for passage of light. The optical conductor has recesses located adjacent the key caps whose width and depth progressively increases proceeding from the closest to the farthest key cap from a light source so that a uniform amount of light is transmitted through the key caps.
    Type: Grant
    Filed: December 27, 1994
    Date of Patent: May 28, 1996
    Assignee: General Motors Corporation
    Inventors: Robert M. Bartley, Michael S. Zwolinski, Mark E. Burns
  • Halo lighting for keypad switch assemblies
    Patent number: 5491313
    Abstract: An illuminated elastomeric keypad switch assembly has a keypad and key caps which are illuminated by light passing through thin webs connecting the key caps to the keypad to create a halo lighting effect surrounding the key caps.
    Type: Grant
    Filed: July 22, 1994
    Date of Patent: February 13, 1996
    Assignee: General Motors Corporation
    Inventors: Robert M. Bartley, Michael E. Conway, Harry J. Millard, III
  • Electrical connector having combination cable and bolt seal
    Patent number: 4909760
    Abstract: A sealed electrical connector has an annular elastomeric seal pad which seals the openings of the terminal cavities as well as a bolt hole at the cable end of the connector. The seal pad is disposed in a well formed by an integral shroud of the connector body and the bolt hole extends through a bolt tower of the connector body which projects into the well.
    Type: Grant
    Filed: March 27, 1989
    Date of Patent: March 20, 1990
    Assignee: General Motors Corporation
    Inventors: John J. O'Keefe, II, Robert M. Bartley