Patents by Inventor Ronad D. Blum

Ronad D. Blum 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).

  • High Energy Visible Light Filter Systems with Yellowness Index Values
    Publication number: 20200170903
    Abstract: The present invention relates to ophthalmic and non-ophthalmic systems with blue light filtering and Yellowness Index ranges. UV and IR filtering are also included. Industrial applications are also outlined in the invention.
    Type: Application
    Filed: February 7, 2020
    Publication date: June 4, 2020
    Applicant: High Performance Optics, Inc.
    Inventors: Andrew W. Ishak, Sean P. McGinnis, Ronad D. Blum, Michael B. Packard