Patents by Inventor Leo P. Parts

Leo P. Parts 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).

  • Solid solderable polyurethane data signal recording medium
    Patent number: 4093684
    Abstract: In a process for data signal recording in which a recording medium is impinged upon by an intensity-modulated, focused laser beam to form a hole in at least one layer of the recording medium, the improvement wherein at least one layer of the recording medium comprises a polymer capable of undergoing residue-free depolymerization and the laser beam is of sufficient intensity to effect said depolymerization.
    Type: Grant
    Filed: July 21, 1977
    Date of Patent: June 6, 1978
    Assignee: Monsanto Research Corporation
    Inventors: Leo P. Parts, Edgar E. Hardy