Patents by Inventor Richard C. Donoff

Richard C. Donoff 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).

  • Apparatus for use in repairing rolls supporting web material
    Patent number: 3991458
    Abstract: Apparatus for replacing a damaged core having web material wound thereabout comprises an elongate fixture having longitudinally aligned separably stackable sections, one fixture section having configuration in part facilitating insertion of the fixture within the damaged core and in other part displacing the damaged core outwardly of the wound web material on longitudinal fixture movement and the other fixture section having configuration in part supporting a replacement core thereon and in other part inserting the replacement core within the wound web material.
    Type: Grant
    Filed: September 17, 1975
    Date of Patent: November 16, 1976
    Assignee: Philip Morris Incorporated
    Inventor: Richard C. Donoff