Patents by Inventor Ewart E. Shartzer

Ewart E. Shartzer 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).

  • Plastic lens insertion and removal device
    Patent number: 4427226
    Abstract: Apparatus to position or remove a plastic lens including an eyelid opener having upper and lower crossbars for individual engagement with the person's upper and lower eyelids to retain them open, and plastic lens engaging tweezer having a pair of resilient arms with a flexible lens engaging member thereon for engaging the plastic lens in the wearer's eye and removing the same.
    Type: Grant
    Filed: April 22, 1982
    Date of Patent: January 24, 1984
    Inventor: Ewart E. Shartzer