Patents Assigned to The Dotty Smith Corporation
  • Dual-function looseleaf binder sheets
    Patent number: 4479733
    Abstract: This invention relates to looseleaf binder sheets, and more particularly to looseleaf binder sheets having the capability of being both securely retained in the binder from removal in response to forces acting in one direction, while also being easily removed against the binder when withdrawn in an alternate direction.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: October 30, 1984
    Assignee: The Dotty Smith Corporation
    Inventor: Leonard Segal