Patents by Inventor Sean Donald Riggenbach

Sean Donald Riggenbach 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).

  • Unit dose dispensing apparatus
    Patent number: 8985390
    Abstract: A composition dispensing apparatus which can deliver an repeatable and accurate unit dose of a composition including: a compressible container; a unit dose delivery system comprising an entry element, an exit element, side walls and a dosage chamber; a dispensing aperture; wherein the linear movement ratio of the exit element to the entry element is about 1 or less.
    Type: Grant
    Filed: September 17, 2010
    Date of Patent: March 24, 2015
    Assignee: The Procter & Gamble Company
    Inventors: Gene Michael Altonen, Sean Donald Riggenbach
  • Unit Dose Dispensing Apparatus
    Publication number: 20110089191
    Abstract: A composition dispensing apparatus which can deliver an repeatable and accurate unit dose of a composition comprising: a compressible container; a unit dose delivery system comprising an entry element, an exit element, side walls and a dosage chamber; a dispensing aperture; wherein the linear movement ratio of the exit element to the entry element is about 1 or less.
    Type: Application
    Filed: September 17, 2010
    Publication date: April 21, 2011
    Inventors: Gene Michael ALTONEN, Sean Donald Riggenbach