Patents by Inventor Frederick Rettew, Jr.

Frederick Rettew, Jr. 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).

  • Magnetic induction converter
    Patent number: 4307443
    Abstract: Permanent magnets of alternately opposite polar arrangement mounted on a rotor, pass in proximity to two stator elements, one of which is positioned non-radially relative to the rotor and acts as a driver. An induction coil mounted on the driver stator element is connected to a DC battery through a cam actuated, circuit controlling switch. The other stator element has a power output coil mounted thereon and within which AC current is induced.
    Type: Grant
    Filed: March 4, 1980
    Date of Patent: December 22, 1981
    Assignee: Kenneth Gusic
    Inventor: Frederick Rettew, Jr.