Patents by Inventor Federick N. Bushroe

Federick N. Bushroe 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).

  • Publication number: 20120026507
    Abstract: A source module (12) generates mutually orthogonally polarized beams of light as emanating from two spatially separated point sources (Sv, Sw) for use in a phase shifting interferometer.
    Type: Application
    Filed: August 22, 2011
    Publication date: February 2, 2012
    Inventors: Piotr Szwaykowski, Federick N. Bushroe, Raymond J. Castonguay
  • Patent number: 8004687
    Abstract: A source module (12) generates mutually orthogonally polarized beams of light as emanating from two spatially separated point sources (Sv, Sw) for use in a phase shifting interferometer.
    Type: Grant
    Filed: November 26, 2003
    Date of Patent: August 23, 2011
    Assignee: Trology, LLC
    Inventors: Piotr Szwaykowski, Federick N. Bushroe, Raymond J. Castonguay