Patents by Inventor Orlando R. Guerrieri

Orlando R. Guerrieri has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5067840
    Abstract: A loose-leaf binder having a casing and prong-carrying spring plates and having a mechanism for readily locking and unlocking the prongs through use of a trigger including pivot projections for pivoting on and in plate apertures. Locking is accomplished by lever lugs engaging casing blisters.
    Type: Grant
    Filed: November 5, 1990
    Date of Patent: November 26, 1991
    Assignee: Acco World Corporation
    Inventors: Edward W. Cooper, Orlando R. Guerrieri