Patents by Inventor William Frederick Holmgren

William Frederick Holmgren 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: 7955551
    Abstract: The present invention provides an improved alkali metal dispenser which is pure and free of contaminant gases, and provides for controlled releasing, delivery and recycling of the alkali metal in multiple stages in a controlled manner. The present invention also provides an alkali metal pump or getter.
    Type: Grant
    Filed: May 15, 2008
    Date of Patent: June 7, 2011
    Assignees: SRI International, The Regents of University of Colorado, a body Corporate
    Inventors: Sterling Eduardo McBride, Steven Alan Lipp, Joey John Michalchuk, Dana Z. Anderson, William Frederick Holmgren, Matthew B. Squires
  • Publication number: 20090013826
    Abstract: The present invention provides an improved alkali metal dispenser which is pure and free of contaminant gases, and provides for controlled releasing, delivery and recycling of the alkali metal in multiple stages in a controlled manner. The present invention also provides an alkali metal pump or getter.
    Type: Application
    Filed: May 15, 2008
    Publication date: January 15, 2009
    Inventors: Sterling Eduardo McBride, Steven Alan Lipp, Joey John Michalchuk, Dana Z. Anderson, William Frederick Holmgren, Matthew B. Squires