Patents Assigned to Boorum & Pease Company
  • Patent number: 4415289
    Abstract: An improved loose leaf binder more particularly a binding post having a head of novel design. The novel head design facilitates the locking of binding post securely in the binder and the unlocking for removal from the binder.
    Type: Grant
    Filed: October 5, 1981
    Date of Patent: November 15, 1983
    Assignee: Boorum & Pease Company
    Inventors: Joseph Barba, Gerd L. Hochrain