Patents by Inventor Ned H. Pettengill

Ned H. Pettengill 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).

  • Vehicle fuel injection system
    Patent number: 4132207
    Abstract: A new and novel method and means for injecting a cold charge of fuel into an engine to significantly reduce all exhaust pollutants well below the limits required by law.
    Type: Grant
    Filed: May 28, 1976
    Date of Patent: January 2, 1979
    Inventor: Ned H. Pettengill