Patents by Inventor Evan Jacobsen

Evan Jacobsen 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).

  • Patent number: 4278099
    Abstract: An improved smoking device comprising a container of smoking material, positioned juxtaposed to a viewing chamber that enables the observation of the trails of entrapped smoke and the determination of the amount of smoke in the viewing chamber. The smoke in the viewing chamber is forced into a smoke storage bag removed from the viewing chamber, when the smoker blows into a pipe stem. The blowing action mixes the smoke with the smoker's breath and provides an ideal smoke filled atmosphere in the bag which the smoker can then inhale.
    Type: Grant
    Filed: November 30, 1979
    Date of Patent: July 14, 1981
    Inventor: Evan Jacobsen