Patents by Inventor Leon H. Atchison

Leon H. Atchison 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: D330233
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: October 13, 1992
    Assignee: Michigan Consolidated Gas Company
    Inventors: Leon H. Atchison, Norman D. Davis, Mary Zaleski, Thomas S. Kuebler, Matthew G. Ziessler