Patents Assigned to Patterns to Play By, Inc.
  • Patent number: 4009880
    Abstract: Outlines or patterns of human forms are represented in predetermined, contiguous relation to one another on a flat horizontal surface or sheet of material, each outline being distinguishable one from another in such a way as to permit one or more persons to place themselves in different positions represented by the outlines or to advance from one outline to another.
    Type: Grant
    Filed: November 17, 1975
    Date of Patent: March 1, 1977
    Assignee: Patterns to Play By, Inc.
    Inventor: William B. Lammersen