Patents by Inventor Dennis Barnum

Dennis Barnum 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).

  • Method of incorporating an internet sales order with fundraising tally data
    Publication number: 20040143520
    Abstract: A fundraising sales method including the steps of receiving a plurality of direct orders for at least one product from a brochure sales presentation; receiving a plurality of internet orders for one of the products or another product; and combining at least one of the plurality of direct orders with at least one of the plurality of internet orders dependent upon one of a plurality of student identifiers.
    Type: Application
    Filed: January 5, 2004
    Publication date: July 22, 2004
    Inventors: Dennis Barnum, Sara Phares
  • Mask for disguising or counteracting odors
    Patent number: 5891508
    Abstract: Masks are produced which disguise or counteract strong odors that would ordinarily make the environment unpleasant. Masks are treated with a fixate carrier and at least one odor-masking or counteracting agent in a volatile solvent. In a preferred embodiment, both the inner and outer mask surfaces are essentially a continuous, homogeneous layer.
    Type: Grant
    Filed: June 9, 1997
    Date of Patent: April 6, 1999
    Assignee: Portland State University
    Inventor: Dennis Barnum
  • Mask for disguising or counteracting odors
    Patent number: 5636628
    Abstract: Masks are produced which disguise or counteract strong odors that would ordinarily make the environment unpleasant. Masks are treated with a fixate carrier and at least one odor-masking or counteracting agent in a volatile solvent. In a preferred embodiment, both the inner and outer mask surfaces are essentially a continuous, homogeneous layer.
    Type: Grant
    Filed: February 28, 1994
    Date of Patent: June 10, 1997
    Inventor: Dennis Barnum