Patents by Inventor Larry J. Mattson

Larry J. Mattson 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).

  • Process and apparatus for dispensing and conveying individual articles in seriatim order
    Patent number: 4854931
    Abstract: A method and apparatus wherein individual plastic articles are sheared from a cartridge of such articles and conveyed mechanically through an inserter arm to a desired position.
    Type: Grant
    Filed: July 9, 1987
    Date of Patent: August 8, 1989
    Assignee: Poly-Pro, Inc.
    Inventors: John T. Roberts, Larry J. Mattson
  • Closure means for collection appliances
    Patent number: 4233977
    Abstract: A novel closure means for an opening of a body eliminations or secretions collection appliance is disclosed. Said closure means comprises a semi-rigid strip securely affixed adjacent to one of the walls of the collection appliance. The opening is closed by lap folding the extremity of the collection appliance upon itself and then tucking the folded extremity into a gap between said strip and said wall. The novel closure means is particularly well suited for releasable closure of the drainage opening of an ostomy collection appliance.
    Type: Grant
    Filed: December 28, 1978
    Date of Patent: November 18, 1980
    Assignee: Howmedica, Inc.
    Inventor: Larry J. Mattson