Patents by Inventor George O. Lee

George O. Lee 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).

  • Injection mold cavity and method for making the same
    Patent number: 5952018
    Abstract: An injection mold cavity and a method for fabricating an injection mold cavity. The mold cavity includes a tear-drop shaped channel and an ejection valve simultaneously formed with the fabrication of the mold cavity using a layer-additive process. The ejection valve is movable within the mold cavity and actuatable by a flow of gas through the channel to eject a molded part from the injection mold cavity. The mold cavity, including the ejection valve, is made of the same material.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: September 14, 1999
    Assignee: Eastman Kodak Company
    Inventors: Gary W. Beldue, George O. Lee, Glen S. Lichtenberg, Douglas A. Van Putte