Patents by Inventor Joel J. Mohrmann

Joel J. Mohrmann 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).

  • Method of determining refractive indices and surface properties of prism shaped material
    Patent number: 10466171
    Abstract: Methodology of characterizing surface properties and determining refractive index and extinction coefficient of a prism shaped material, including simultaneously for a multiplicity of wavelengths, using an easy to practice technique.
    Type: Grant
    Filed: May 22, 2019
    Date of Patent: November 5, 2019
    Assignee: J.A. WOOLLAM CO., INC.
    Inventors: Ronald A. Synowicki, Joel J. Mohrmann
  • Method of determining refractive index, extinction coefficient, and surface properties of prism shaped material
    Patent number: 10309897
    Abstract: Methodology of characterizing surface properties and determining refractive index and extinction coefficient of a prism shaped material, including simultaneously for a multiplicity of wavelengths, using an easy to practice technique.
    Type: Grant
    Filed: February 27, 2017
    Date of Patent: June 4, 2019
    Assignee: J.A. WOOLLAM CO., INC.
    Inventors: Ronald A. Synowicki, Joel J. Mohrmann
  • Method of determining refractive index, extinction coefficient, and surface properties of prism shaped material
    Publication number: 20170254748
    Abstract: Methodology of characterizing surface properties and determining refractive index and extinction coefficient of a prism shaped material, including simultaneously for a multiplicity of wavelengths, using an easy to practice technique.
    Type: Application
    Filed: February 27, 2017
    Publication date: September 7, 2017
    Applicant: J. A. WOOLLAM CO. INC.
    Inventors: Ronald A. Synowicki, Joel J. Mohrmann