Patents by Inventor David Boysen

David Boysen 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).

  • Publication number: 20100243672
    Abstract: An aerosol spray can is provided. The aerosol spray can includes but is not limited to a housing forming a storage chamber, an initial amount of chemical stored in a compressed liquid state within the storage chamber, a valve assembly attached to the housing, and an extension tube connected with the valve assembly at a first end and extending into the storage chamber at a second end. The initial amount of chemical forms a top surface. The general direction of the top surface is perpendicular to the direction of gravity. The valve assembly including a stem forming a central passage through which the chemical dispenses from the storage chamber. The second end of the extension tube remains a distance away from the top surface of the initial amount of chemical regardless of the position of the aerosol spray can.
    Type: Application
    Filed: March 30, 2009
    Publication date: September 30, 2010
    Inventors: Anatoly Gosis, Yury Shkolnikov, David Boysen, Steven Dwade Cook, Douglas Ngai