Patents Assigned to Herman Rosman
  • Current control
    Patent number: 4417200
    Abstract: A method and a device which are dependently and cojointly employed in the accurate control of the increase and decrease of alternating current, direct current, and concomitant electrical current extending through circuitry and passing to and through electrical devices, electrical appliances, electrical equipment, electrical motors, and electrical apparatuses which are connected to the innovative device.
    Type: Grant
    Filed: March 26, 1980
    Date of Patent: November 22, 1983
    Assignee: Herman Rosman
    Inventors: Morton Weintraub, Elliot Waxman, Bernard Gendelman