Patents by Inventor Eugene McCaa

Eugene McCaa 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).

  • Key for door locks
    Patent number: D301831
    Type: Grant
    Filed: July 20, 1987
    Date of Patent: June 27, 1989
    Assignee: Masco Building Products Corp.
    Inventor: Eugene McCaa