Patents by Inventor Laurence A. Dillon

Laurence A. Dillon 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).

  • Polishing means for lens generating apparatus
    Patent number: 5095660
    Abstract: A cloth for polishing a prescription, plastic lens is mounted on a resilient pad having a curvature generally corresponding to that of the lens curvature. The polishing cloth clings to the pad during a vibratory polishing operation, performed with a liquid slurry. The pad is adhesively mounted on the conventional lap.
    Type: Grant
    Filed: October 20, 1990
    Date of Patent: March 17, 1992
    Inventor: Laurence A. Dillon
  • Lens generating tool for generating a lens
    Patent number: 4901480
    Abstract: A tool for generating a prescription surface in a plastic eyeglass lens. A pair of replaceable, cutting elements are mounted on a tool having a spindle. Each cutting element has a solid polycrystalline diamond material forming a cutting edge for progressively shaving a surface on the backside of the lens as the tool is swing back and forth. The surface so generated need only be polished, without the conventional abrasive finishing steps.
    Type: Grant
    Filed: October 6, 1988
    Date of Patent: February 20, 1990
    Assignee: CDP Diamond Products, Inc.
    Inventor: Laurence A. Dillon