Patents by Inventor Alex Cho

Alex Cho 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).

  • Thin gauge aluminum plate product by isothermal treatment and ramp anneal
    Patent number: 4927470
    Abstract: Disclosed is a method of producing an unrecrystallized aluminum base, wrought product having improved levels of strength and fracture toughness. The method comprises providing a body of the aluminum base alloy, hot working the body to a wrought product and then subjecting it to an isothermal soak followed by a ramp anneal.
    Type: Grant
    Filed: October 12, 1988
    Date of Patent: May 22, 1990
    Assignee: Aluminum Company of America
    Inventor: Alex Cho