Patents by Inventor Ducan Christopher Spaulding

Ducan Christopher Spaulding 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: 20180217309
    Abstract: According to some embodiments a method of assembling an optical system comprises steps of: measuring retardance profiles of a plurality of optical elements, relatively positioning the optical elements in relative orientations that enhance complementarity between the retardance profiles of the optical elements, and securing the combinations of relatively oriented optical elements together, to control or minimize the combined retardance of the stacked optical elements.
    Type: Application
    Filed: February 1, 2018
    Publication date: August 2, 2018
    Inventors: Paul Gerard Dewa, Robert Dennis Grejda, Stephen Karl Mack, Robert Louis Michaels, Paul Francis Michaloski, Ducan Christopher Spaulding