Patents by Inventor Thomas William RAASCH

Thomas William RAASCH 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).

  • CONTACT LENS COMPRISING A LENTICULAR AND HAVING A PROGRESSIVE ADDITION OPTIC ZONE
    Publication number: 20230161179
    Abstract: Disclosed herein is a contact lens comprising a lenticular in a superior portion of the contact lens wherein the contact lens attaches to an upper eyelid of a wearer by the lenticular interacting with an upper tarsal plate of the upper eyelid of a wearer, said interaction allows the contact lens to translate upwards in downgaze and maintain rotational stability. By having rotational stability and translation, a contact lens having a progressive addition optic zone is provided.
    Type: Application
    Filed: April 8, 2021
    Publication date: May 25, 2023
    Inventors: Thomas William RAASCH, Melissa D. BAILEY