Patents by Inventor Roy W. Lindblade

Roy W. Lindblade 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: 4179764
    Abstract: A lifesaving device having a pair of inflatable floatation bags which may be inflated by means of compressed gas and attached to a folding platform to form a device suitable for use over water or on ice or in a combination of water and ice to retrieve a party who has ventured out onto the water or the ice. The lifesaving device being easily transportable by storing the inflatable floatation bags in a non-inflated state within the hinged platform which serves as the deck for rescuers. Having further, a pivoted ladder mounted at one end of the platform so that as the rescued person is approached the ladder may be rotated so that one end of it drops beneath the surface of the water or falls upon the ice and provides apparatus for the rescued party to ascend out of the water onto the platform.
    Type: Grant
    Filed: February 8, 1978
    Date of Patent: December 25, 1979
    Inventor: Roy W. Lindblade