Patents by Inventor Robert L. Wardwell

Robert L. Wardwell 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: 3957220
    Abstract: An apparatus for receiving flat sheet material seriatim and storing the material in rolled configuration on a winding spool. A suitable winding spool is mounted on a frame for rotation, and a plurality of endless belts are mounted on the frame so that a portion thereof is wrapped almost entirely around the spool and another portion is disposed away from the spool to form an entrance portion of the belts adjacent the surface of the winding spool where the belts are tangential thereto. When the belts are driven, sheet material fed between the belts and the peripheral surface of the winding spool and is wrapped around the winding spool and retained thereon for storage.
    Type: Grant
    Filed: November 18, 1974
    Date of Patent: May 18, 1976
    Assignee: Pitney-Bowes, Inc.
    Inventors: Christian A. Beck, Robert L. Wardwell