Patents by Inventor John W. MacInnis

John W. MacInnis 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: D245471
    Type: Grant
    Filed: March 15, 1976
    Date of Patent: August 23, 1977
    Inventors: John W. MacInnis, J. Thomas MacInnis