Patents by Inventor Gary B. Aspelin

Gary B. Aspelin 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: 3971369
    Abstract: A generally cup-shaped surgical facemask and a method for folding the body portion thereof, said body portion comprising a filtration medium, the method comprising (1) providing a blank of said filtration medium; (2) establishing a longitudinal fold line on said blank; (3) establishing first, second, and third transverse lines of demarcation on said blank, said second and third lines being on opposite sides of said first line; (4) establishing first and second points on one side edge and third and fourth points on the other side edge of the blank; (5) establishing angularly disposed fold lines which connect said points with said longitudinal fold line; (6) creasing said blank along said longitudinal fold line; and (7) moving said first and second points on one of said side edges and said third and fourth points on the other side edge to new positions lying between said second and third transverse lines of demarcation.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: July 27, 1976
    Assignee: Johnson & Johnson
    Inventors: Gary B. Aspelin, James T. Smith