Patents Assigned to Summersea International, Inc.
  • Patent number: 5343578
    Abstract: A multi-layered and multi-entry sleeping bag is provided which comprises several separate generally rectangular leaves or layers permanently affixed to each other by hinge means. Attached to such leaves are zipper means whereunder portions of such leaves can be removably attached to one another by such zipper means. In such fashion, multi-layered or multi-entry portions of the layers or leaves can be provided. The number of layers can be adjusted depending upon the camper's desire or warmth. The zippers can be unlocked, in which case the blanket can be fully unfolded.
    Type: Grant
    Filed: June 28, 1993
    Date of Patent: September 6, 1994
    Assignee: Summersea International, Inc.
    Inventor: Robert Kettenhofen