Patents by Inventor Stephen R. Hoover

Stephen R. Hoover 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: 5407489
    Abstract: A method and apparatus for cleaning pickup and feed rolls of machines such as printers, copiers, facsimile machines and the like. The method utilizes a roll cleaner which includes an absorbent layer and cleaning solution provided within the absorbent layer. The roll cleaner is sufficiently thick to prevent the roll cleaner from feeding through the machine. The pickup and feed rolls will spin against the absorbent layer for cleaning. The roll cleaner may be stored in a resealable cellophane bag.
    Type: Grant
    Filed: October 4, 1993
    Date of Patent: April 18, 1995
    Assignee: QMS, Inc.
    Inventor: Stephen R. Hoover