Patents by Inventor Stephen Carl Abel

Stephen Carl Abel 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).

  • Device for and method of affixing the ends of a substantially plastic ladder chain to make a continuous ladder chain thereof
    Patent number: 4060006
    Abstract: A substantially plastic ladder chain is made continuous by affixing the exposed metallic cable ends thereof to a master coupling link of stainless steel or like material. The exposed metallic cable ends of the plastic ladder chain comprising plural braided cable also of stainless steel or like material are fastened in such a way to separate master cross links, of the aforementioned master coupling link, by master link side lock pins of brass or like material so as to form substantially a molecular bond. The master cross links are then connected together in a conventional manner by master link retainer clamps and master link retainer clips, thus forming the continuous ladder chain.
    Type: Grant
    Filed: September 20, 1976
    Date of Patent: November 29, 1977
    Assignee: International Business Machines Corporation
    Inventors: Stephen Carl Abel, Jeffrey Allen Carlson