Patents by Inventor Harry Ronald Fleck

Harry Ronald Fleck 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 recording medium with lubricant
    Patent number: 4034133
    Abstract: A magnetic recording element of the type including a base and a coating upon a surface of the base, the coating comprising magnetic particles dispersed in a polymeric binder and a lubricant, the improvement comprising a lubricant chosen from the group consisting of a trifluoride of cerium, lanthanum, praseodymium, neodymium, and samarium.
    Type: Grant
    Filed: May 14, 1973
    Date of Patent: July 5, 1977
    Assignee: International Business Machines Corporation
    Inventors: Harry Ronald Fleck, Charles Philip Mignosa