Patents by Inventor Ernest French

Ernest French 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).

  • Tire deflation warning device
    Patent number: 4479109
    Abstract: A tire deflation warning device having an arm carried by the rotating wheel and normally held retracted by a plunger activated by tire air pressure. Upon deflation the plunger releases the arm to be moved radially outwardly by centrifugal force so as to contact an element on the vehicle body and sound an alarm.
    Type: Grant
    Filed: June 7, 1982
    Date of Patent: October 23, 1984
    Inventor: Ernest French
  • Casing for a signaling device or similar article
    Patent number: D274707
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: July 17, 1984
    Inventor: Ernest French