Patents Assigned to Ralph J. Stolle Company
  • Method for charging electrical storage batteries
    Patent number: 4641078
    Abstract: Apparatus and method for charging electrical storage batteries including apparatus providing a charging current of selected value and cyclical wave generator for periodically varying on the charging current as a cyclical wave form having a frequency of 2 to 75 kilohertz, the wave form having an amplitude of at least plus and minus 5% of the value of the charging current.
    Type: Grant
    Filed: November 13, 1984
    Date of Patent: February 3, 1987
    Assignee: Ralph J. Stolle Company
    Inventor: Jimmie N. Short