Patents by Inventor Dennis J. Levinson

Dennis J. Levinson 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).

  • Microbial cellulose contact lens
    Patent number: 7832857
    Abstract: The present invention provides a contact lens from Gluconacetobacter xylinus cellulose material.
    Type: Grant
    Filed: August 18, 2008
    Date of Patent: November 16, 2010
    Inventors: Dennis J. Levinson, Thomas Glonek
  • Microbial cellulose contact lens
    Publication number: 20100039612
    Abstract: The present invention provides a contact lens from Gluconacetobacter xylinus cellulose material.
    Type: Application
    Filed: August 18, 2008
    Publication date: February 18, 2010
    Inventors: Dennis J. Levinson, Thomas Glonek