Patents by Inventor Normand N. Rodrigue

Normand N. Rodrigue 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).

  • Self re-arming valve
    Patent number: 4044790
    Abstract: A dump valve which automatically closes (re-arms) when the system pressure reaches a predetermined level.
    Type: Grant
    Filed: May 27, 1976
    Date of Patent: August 30, 1977
    Assignee: McDonnell Douglas Corporation
    Inventor: Normand N. Rodrigue