Patents by Inventor Joseph F. Yaskowski

Joseph F. Yaskowski 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).

  • Laminated piezoelectric structure and process of forming the same
    Patent number: 5153859
    Abstract: A method of forming a laminated piezoelectric structure is disclosed wherein a plurality of polarized piezoelectric films of vinylidene fluoride and trifluoroethylene are solvent welded together. The solvent welding solution comprises a copolymer of vinylidene fluoride and trifluoroethylene and a suitable solvent. The transducers produced from such a laminated structure are also disclosed.
    Type: Grant
    Filed: August 15, 1990
    Date of Patent: October 6, 1992
    Assignee: Atochem North America, Inc.
    Inventors: Joseph V. Chatigny, Kumar Ogale, Lewis F. Brown, Joseph F. Yaskowski