Patents by Inventor Armando Rattaro

Armando Rattaro 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).

  • Workpiece holder, particularly adapted for holding eyeglasses lenses
    Patent number: 5722647
    Abstract: A workpiece holder, particularly adapted for holding eyeglasses lenses (L), comprises a support (12) on which there are arranged two clamps (14, 17, 117) for clamping each a portion of a lense. Each clamp defines an axis (A) which is substantially perpendicular to the portion of lense clamped thereby. Each clamp is positionable and lockable with said axis (A) oriented in any direction at the interior of an ideal cone (A1 - A2) having a vertex through which the said axis (A) is passing. Positioning means (3, 4, 40) are provided for displacing the said support (12) along a horizontal plane with respect to a fixed tool (28).
    Type: Grant
    Filed: April 19, 1996
    Date of Patent: March 3, 1998
    Inventors: Armando Rattaro, Camillo Rattaro, Pierino Boldrini