Patents by Inventor Benjamin E. Heisey

Benjamin E. Heisey 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).

  • Metering pump
    Patent number: D757825
    Type: Grant
    Filed: July 29, 2015
    Date of Patent: May 31, 2016
    Assignee: Milton Roy, LLC
    Inventors: Yoann Chevallier, Benjamin E. Heisey, Patrick Sweeney