Patents by Inventor Marcel Charonnat

Marcel Charonnat 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).

  • Electromagnetic jigsaw
    Patent number: 4603614
    Abstract: The saw is of the type comprising a blade one of whose ends is firmly fixed to a plate capable of vibrating under the effect of an electro-magnet fed with AC current.In accordance with the invention, the vibrating plate (3) is provided with at least one inertia mass (15).The saw may be used by fixing the blade (5) only to the vibrating plate (3), by one of its ends, the other end remaining free.
    Type: Grant
    Filed: May 22, 1984
    Date of Patent: August 5, 1986
    Inventor: Marcel Charonnat