Patents by Inventor Michael John Mangaudis

Michael John Mangaudis 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).

  • Patent number: 7485028
    Abstract: The disclosure is directed to a chemical mechanical polishing retaining ring including a polymer matrix and a filler including polyimide. The chemical mechanical polishing retaining ring has a wear rate performance not greater than about 75 microns/hour.
    Type: Grant
    Filed: February 8, 2005
    Date of Patent: February 3, 2009
    Assignee: Saint-Gobain Performance Plastics Corporation
    Inventors: David Wilkinson, Colleen E. Hamilton, Bryan David Hirschorn, Michael John Mangaudis
  • Patent number: 7086939
    Abstract: In one embodiment, the disclosure is directed to a chemical mechanical polishing retaining ring. The chemical mechanical polishing retaining ring includes a support formed of a first material comprising a first polymer and a wear portion formed of a second material comprising a second polymer. The first material has an elastic modulus greater than the elastic modulus of the second material.
    Type: Grant
    Filed: March 19, 2004
    Date of Patent: August 8, 2006
    Assignee: Saint-Gobain Performance Plastics Corporation
    Inventors: David Wilkinson, Colleen E. Hamilton, Bryan David Hirschorn, Michael John Mangaudis