Patents by Inventor Sven G. Nyman

Sven G. Nyman 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).

  • Medical aerosol inhalation device
    Patent number: D276847
    Type: Grant
    Filed: March 11, 1982
    Date of Patent: December 18, 1984
    Assignee: Aktiebolaget Draco
    Inventors: Sven G. Nyman, Kaija A. Snellman-Wasenius, Risto Virtanen