Patents Assigned to ROI Development Corp. dba NEWMAR
  • Apparatus for protecting electronic equipment powered from a marine power source
    Patent number: 5172292
    Abstract: A device and method for protecting D.C. powered electronic equipment to be isolated from a D.C. marine power source for minimizing the interference of extraneous signals on the power signals along with a back-up D.C. power source for powering the electronic equipment in the event of the loss of operative power signals from the D.C. source. The device may include a remote indicator for signalling the marine vessel operator that the electronic equipment is being powered from the back-up power source and not the main power source.
    Type: Grant
    Filed: January 18, 1990
    Date of Patent: December 15, 1992
    Assignee: ROI Development Corp. dba NEWMAR
    Inventors: John V. Erlandson, John R. Johnson