Patents by Inventor Donald H. Nare

Donald H. Nare 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).

  • Portable smoke retention device
    Patent number: 4922931
    Abstract: A smoke retention device having a collapsible chamber and an insert threadable into said collapsible chamber for holding a combustible material. A bag is secured over one end of the chamber and held in place by an elastic band. Valve mechanisms allow the user to draw air through the insert said air being directed through the combustible material and exhaling air back to the insert said exhaled air being directed through a second aperture back into the container.
    Type: Grant
    Filed: November 9, 1988
    Date of Patent: May 8, 1990
    Inventors: Donald H. Nare, Albert L. Schmeiser