Patents by Inventor Allan A. Isen

Allan A. Isen 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).

  • Soft contact lens
    Patent number: 4126138
    Abstract: The specific disclosure provides a soft contact lens comprising an eye contacting inner surface, and an annular carrier portion including an outer surface spaced from the eye contacting inner surface not greater than a predetermined distance. An optical portion is encompassed by the carrier portion and includes an outer surface with all points thereon spaced from the inner surface a distance greater than the predetermined distance. An intermediate portion interconnects the carrier and optical portions and includes an outer surface extending downwardly and outwardly from the outer surface of the optical portion to the outer surface of the carrier portion.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: November 21, 1978
    Assignee: Warner-Lambert Company
    Inventor: Allan A. Isen