Patents Assigned to BST Associates
  • Patent number: 4185392
    Abstract: A drawing template for forming relatively large alphanumeric characters is comprised of a thin substrate in which a plurality of both linear and non-linear slots are formed. Lines drawn through selected ones of the slots form an outline of a desired character.
    Type: Grant
    Filed: April 21, 1978
    Date of Patent: January 29, 1980
    Assignee: BST Associates
    Inventor: Samuel Berkman