Patents by Inventor Leonard R. Rupertus

Leonard R. Rupertus 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).

  • Inflatable life vest of the single-attachment, single-adjustment type
    Patent number: 4865573
    Abstract: A life vest of the inflatable type is disclosed in which the inflation cell or cells are combined with a back panel and a single-attachment, single-adjustment, waist strap. The single-attachment waist strap may be permanent, or alternatively separable. The waist strap is stitched or otherwise non-movably connected to the inflatable cell or cells, and has a sliding connection to the back panel, for self-adjustability when tightened about the waist of the user, in a preferred embodiment.
    Type: Grant
    Filed: April 1, 1987
    Date of Patent: September 12, 1989
    Assignee: Switlik Parachute Company, Inc.
    Inventors: Richard Switlik, Jr., Leonard R. Rupertus