Patents by Inventor Richard P. MacCoon

Richard P. MacCoon 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).

  • Breather valve assembly for use in engine cylinder head
    Patent number: 9534521
    Abstract: This invention relates generally to a breather valve assembly for use in an engine cylinder head.
    Type: Grant
    Filed: March 21, 2016
    Date of Patent: January 3, 2017
    Assignee: 4-Valves, LLC
    Inventor: Richard P. MacCoon