Patents by Inventor Kari Lihavainen

Kari Lihavainen 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).

  • Spirometry tube and connector assembly
    Patent number: D399317
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: October 6, 1998
    Assignee: Instrumentarium Oy
    Inventors: Ari Nenye, Kari Lihavainen