Patents by Inventor Kurt Vogl

Kurt Vogl 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).

  • Locking ring binder mechanism with control slide
    Patent number: 4571108
    Abstract: This is a device for holding sheets of paper in a loose-leaf notebook. The mechanism comprises rings upon which the sheets are filed, a deformable surface which controls the action of the rings, a control slide which alters the shape of the surface, a cover and a base. The shape of the control slide, base and cover assure positive control over the position of the rings.
    Type: Grant
    Filed: November 26, 1982
    Date of Patent: February 18, 1986
    Inventor: Kurt Vogl