Patents Assigned to C. J. Rogers Enterprises Inc.
  • Pressure actuated electrical system
    Patent number: 4276580
    Abstract: This invention is an improvement to safe electrical systems which have a hermetically enclosed space containing an electrical circuit member wherein means are provided for connecting and disconnecting the electrical circuit member to a power source in response to pressure changes within the hermetically enclosed space and for altering the volume within the hermetically enclosed space to effect a pressure change therein.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: June 30, 1981
    Assignee: C. J. Rogers Enterprises Inc.
    Inventor: Charles J. Rogers