Patents by Inventor Vicki M. Lietzau

Vicki M. Lietzau 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).

  • Medicinal inhalation device
    Patent number: 8815325
    Abstract: A medical inhalation device or a component thereof having a diamond-like glass coating comprising hydrogen and on a hydrogen free basis about 20 to about 40 atomic percent of silicon, greater than 39 atomic percent of carbon, and less than 33 down to and including zero atomic percent of oxygen.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: August 26, 2014
    Assignee: 3M Innovative Properties Company
    Inventors: Moses M. David, Daniel R. Hanson, Philip A. Jinks, Christopher G. Blatchford, Vicki M. Lietzau, Jean A. Kelly, Suresh Iyer
  • MEDICINAL INHALATION DEVICE
    Publication number: 20120103330
    Abstract: A medical inhalation device or a component thereof having a diamond-like glass coating comprising hydrogen and on a hydrogen free basis about 20 to about 40 atomic percent of silicon, greater than 39 atomic percent of carbon, and less than 33 down to and including zero atomic percent of oxygen.
    Type: Application
    Filed: May 6, 2010
    Publication date: May 3, 2012
    Inventors: Moses M. David, Daniel R. Hanson, Philip A. Jinks, Christopher G. Blatchford, Vicki M. Lietzau, Jean A. Kelly, Suresh lyer