Patents by Inventor Pierre Dutertre

Pierre Dutertre 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).

  • Process for making a plane magnetic head and magnetic head obtained by this process
    Patent number: 5863450
    Abstract: Process for making a plane magnetic head and magnetic head obtained by this process.A hard protective layer surrounds polar parts. The non-magnetic spacer and polar parts are flush with the level of this protective layer. This layer is preferably made of diamond like carbon.
    Type: Grant
    Filed: November 4, 1996
    Date of Patent: January 26, 1999
    Assignees: Commissariat a l'Energie Atomique, Silmag Societe Anonyme
    Inventors: Pierre Dutertre, Jean-Pierre Lazzari