Patents by Inventor Leslie H. Johnston

Leslie H. Johnston 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).

  • Magnetic head assembly with corrosion resistant conductive wire
    Patent number: 4352134
    Abstract: A conductive wire useful with a magnetic head assembly is formed from a zirconium/copper alloy core, which is plated with a corrosion resistant conductive metal, such as gold. The wire is preferably covered with insulation, such as polyurethane.
    Type: Grant
    Filed: November 19, 1979
    Date of Patent: September 28, 1982
    Assignee: International Business Machines Corporation
    Inventors: Terry A. Burns, Leslie H. Johnston