Patents Assigned to A-T-0 Inc.
  • Battery charger
    Patent number: 4228390
    Abstract: A control circuit for a three phase battery charging system which is enabled only when a battery is properly connected, when the source is properly connected and when the system has been properly turned on. Any disruption in these connections or failure of the source interrupts the charging cycle until the failure has been corrected.
    Type: Grant
    Filed: March 31, 1978
    Date of Patent: October 14, 1980
    Assignee: A-T-0 Inc.
    Inventor: Raymond L. Knox