Patents by Inventor John E. Kea

John E. Kea 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).

  • Patent number: D286618
    Type: Grant
    Filed: August 3, 1984
    Date of Patent: November 11, 1986
    Assignee: Westvaco Corporation
    Inventors: John E. Kea, Louis C. Woyce
  • Patent number: D292487
    Type: Grant
    Filed: February 10, 1984
    Date of Patent: October 27, 1987
    Assignee: Westvaco Corporation
    Inventor: John E. Kea
  • Patent number: D310029
    Type: Grant
    Filed: February 27, 1987
    Date of Patent: August 21, 1990
    Assignee: Westvaco Corporation
    Inventors: John E. Kea, Louis C. Woyce, Jr.
  • Patent number: D316037
    Type: Grant
    Filed: January 10, 1989
    Date of Patent: April 9, 1991
    Assignee: Westvaco Corporation
    Inventor: John E. Kea