Patents by Inventor Roger B. Patterson

Roger B. Patterson 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: D347734
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: June 14, 1994
    Inventors: Roger B. Patterson, David T. Spillman