Patents by Inventor Joel Rivard Dufresne

Joel Rivard Dufresne 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).

  • Diamond-like glass thin films
    Patent number: 6696157
    Abstract: A diamond-like glass film is disclosed. In specific implementations, the film includes a diamond-like glass containing at least about 30 atomic percent carbon, at least about 25 atomic percent silicon, and less than or equal to about 45 atomic percent oxygen on a hydrogen-free basis. The diamond-like glass film may be applied to various substrates. The invention is also directed to articles having a diamond-like glass film, methods of making the articles, and apparatus for making the film and to articles.
    Type: Grant
    Filed: March 5, 2000
    Date of Patent: February 24, 2004
    Assignee: 3M Innovative Properties Company
    Inventors: Moses Mekala David, Brian John Gates, Brian Kenneth Nelson, Louis C. Haddad, Joel Rivard Dufresne