Patents by Inventor Eugene F. Horak

Eugene F. Horak 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).

  • Feed roll cleaner for cleaning and renewing the frictional feeding surfaces of the sheet feed rolls in a copy reproducing machine or printer
    Patent number: 4843436
    Abstract: Feed roll cleaner for cleaning and renewing the frictional surfaces of the paper feed rolls of a reproducing or printing machine having a relatively rigid lightweight rectangular board fittable within the machine paper tray in place of the copy sheets, the board having discrete patches of abrasive material on the surface thereof opposite the feed rolls such that on actuation of the machine, the feed rolls rub against the patch opposite thereto until the machine misfeed detector responds to the failure to feed a sheet and shuts down the machine.
    Type: Grant
    Filed: July 29, 1985
    Date of Patent: June 27, 1989
    Assignee: Xerox Corporation
    Inventors: Donato D. Evangelista, Eugene F. Horak, Bruce A. Winship