Patents by Inventor Charles P. deVolpi

Charles P. deVolpi 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).

  • Packaging of gift wrap sheet material
    Patent number: 4153157
    Abstract: There is a plurality of lengths of gift wrap sheet material of different patterns, color or finish on a single core, each sheet having a different width such that the under-rolled sheet is partially exposed for visual appreciation, the whole being overwrapped by a transparent film.
    Type: Grant
    Filed: February 22, 1978
    Date of Patent: May 8, 1979
    Assignee: Perkins Papers Ltd.
    Inventor: Charles P. deVolpi