Patents by Inventor Michael J. Vierra

Michael J. Vierra 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: 5471687
    Abstract: A sleeping bag for insulating and comfortably supporting an individual relative to a ground surface. The inventive device includes a sleeping bag assembly for receiving and insulating an individual. A pneumatic support assembly is coupled to a bottom of the sleeping bag assembly for supporting the sleeping bag assembly and an associated individual in a spaced relationship relative to a rough or uneven terrain.
    Type: Grant
    Filed: February 6, 1995
    Date of Patent: December 5, 1995
    Inventor: Michael J. Vierra