Patents by Inventor Richard N. Sherwin

Richard N. Sherwin 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).

  • Character module for automatic sign
    Patent number: 4024532
    Abstract: A reflective type module for remotely controlled sign displays providing a plurality of linear elements adapted for form the Latin alphabet and Arabic numerals, each element controlled by a two position electromechanical motor to be rotatably moved to a visual or non-visual state in response to an electrical signal. Each module is self-contained and individually encased.
    Type: Grant
    Filed: February 5, 1973
    Date of Patent: May 17, 1977
    Inventor: Richard N. Sherwin