Patents by Inventor Harold Grimm

Harold Grimm 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: 4179108
    Abstract: In a machine for spreading sheet material having a carriage movable over a table between fold retaining assemblies and with the carriage having a supply of sheet material, a positive drive roller and fold forming apparatus, a supplemental feed assembly comprising a driving connection which supplements the normal rotation of the positive drive roller to provide a selected amount of overfeed of the sheet material during the operation of the fold-forming apparatus, thereby preventing unwanted stretching of the sheet material.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: December 18, 1979
    Assignee: Panther Machine Corp.
    Inventors: Harold Grimm, Ira Zuckerman