Patents by Inventor Stephen Lash

Stephen Lash 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).

  • Method of making a sight model
    Patent number: 4444607
    Abstract: This invention comprises a process for molding a three dimensional decorative article where cored out or raised portions extend to a depth of at least 0.6 centimeter, said process comprising generating electronically a line drawing of said article and electronically displaying the drawing; photographing said drawing to form a photographic transparency; positioning said transparency over a layer of a liquid photopolymer having a depth greater than 0.6 centimeter; exposing said photopolymer through said transparency to actinic light to set the photopolymer; and removing the liquid from the set photopolymer to form a three dimensional article having the appearance of said drawing.
    Type: Grant
    Filed: March 25, 1982
    Date of Patent: April 24, 1984
    Assignee: The Goodyear Tire & Rubber Company
    Inventors: Stephen Lash, Charles W. Roberts, Samuel P. Landers