Patents by Inventor Frank W. Hauser

Frank W. Hauser 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).

  • Automatic stack feed
    Patent number: 3937455
    Abstract: Apparatus for feeding individual sheets from a hopper, including a rotating prefeed member positioned near the exit end of the hopper and having projections for repeatedly beating the next sheet to be fed from the stack of sheets, to help separate the sheets and to urge the next sheet out of the hopper.
    Type: Grant
    Filed: April 1, 1974
    Date of Patent: February 10, 1976
    Assignee: Telautograph Corporation
    Inventor: Frank W. Hauser