Patents by Inventor Frederic Lelouch

Frederic Lelouch 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).

  • Apparatus for sensory control of a person undergoing test
    Patent number: 4070102
    Abstract: A sensory control apparatus to determine the visual acuteness of persons tested. The apparatus has at least one optical device to view images of figures provided by a step-by-step parade means. The apparatus is operated by an electronic command module operated by a person tested when he has identified the images seen. Power feed means and display means to display the results are also provided. The device alerts the person tested of the start of ametropic vision and poor reflexes.
    Type: Grant
    Filed: January 5, 1976
    Date of Patent: January 24, 1978
    Inventor: Frederic Lelouch