Patents by Inventor Gherardo Villani

Gherardo Villani 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).

  • System for the determination, the evaluation and the control of the refractive and accommodative status of the eye
    Patent number: 5875019
    Abstract: The system for the determination, the evaluation and the control of the refractive and accommodative status of the eye according to the present invention includes:a scanner (AN) to be placed before the eye optically corrected or not, and completely or partially consisting of material polarizing the optical radiation, and divided into two parts with perpendicular polarization and;an illuminated target (MR), completely or partially consisting of parts out of polarizing material, having the polarizing axis parallel or perpendicular to each other, whereby said target may comprise means for moving said parts and for rotating said target onto the longitudinal axis.
    Type: Grant
    Filed: June 13, 1997
    Date of Patent: February 23, 1999
    Inventor: Gherardo Villani