Multiple Movable Scales Patents (Class 116/DIG37)
  • Metric computer
    Patent number: 4379337
    Abstract: The present invention discloses a device which will automatically display the metric equivalents and their appropriate dimensional designations of any given metric measurement. In the preferred embodiments shown, the device may be either an electronic keyboard-display console apparatus or a mechanical device using printed rolls.
    Type: Grant
    Filed: January 29, 1981
    Date of Patent: April 5, 1983
    Inventor: Ilda O'Biso