Patents by Inventor Ralph O. Lyckesjo

Ralph O. Lyckesjo 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).

  • Electrical connection device
    Patent number: 4312553
    Abstract: An electric connection device e.g. for coupling together cables between a towing vehicle and a trailer, wherein a first member has an inner soft elastic body in which the end of a cable is molded and to which a casing is attached, e.g. by injection-molding, for fixing plug pins connected to the conductors of the cable. The casing is connected by a bayonet joint to a socket in which a second member is inserted which is primarily soft and elastic to seal effectively against cable and socket.
    Type: Grant
    Filed: December 26, 1979
    Date of Patent: January 26, 1982
    Assignee: AB Volvo
    Inventor: Ralph O. Lyckesjo