Patents by Inventor Karl J. Hewson

Karl J. Hewson 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: 20130047985
    Abstract: The present disclosure provides dry powder inhalers, containers for carrying a dose of dry powder medicament particles for dry powder inhalers, and a hinge that, while enjoying broader applicability, may be used in such inhalers.
    Type: Application
    Filed: April 21, 2011
    Publication date: February 28, 2013
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: David S. Harris, Matthew D. Allen, Amanda J. Fuller, Nicholas Harrison, Karl J. Hewson, Peter D. Hodson, Scott A. Lewis, Tom A. Oakley, Samantha A. Patterson, Simon J. Smith, Rachel V. Striebig, Adam J. Stuart