Patents by Inventor Richard W. Hofman

Richard W. Hofman 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: 5022566
    Abstract: A one-piece side dispensing closure for powdered, granular or particulate materials. The closure is molded from plastic and has a press-open dispensing lid.
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: June 11, 1991
    Assignee: Magenta Corporation
    Inventors: John S. Song, Richard W. Hofman
  • Patent number: 4984720
    Abstract: A side dispensing container closure cap is provided with a hinged lid portion extending to a side periphery of the cap which is pivotable from a closed position to an opened position and which has depending sidewalls along the length of the pivotable portion forming a chute opened to the periphery of the cap. The sidewalls preferably are formed as conical sections to enhance sealing along the edge of the hinged portion. Detents may be provided at a spherical front surface of the hinged portion defining the dispensing opening allowing partial opening of the pivoted portion. Extra sealing areas are also provided to permit the closure to be used with liquids.
    Type: Grant
    Filed: March 1, 1989
    Date of Patent: January 15, 1991
    Assignee: Magenta Corporation
    Inventors: Robert J. Groya, Richard W. Hofman