Patents by Inventor Stephen M. Apfel

Stephen M. Apfel 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).

  • Patent number: 4987403
    Abstract: A self contained device for giving audible messages to occupants of a vehicle is disclosed. The device includes a housing having a top, a side, and a front, a power source disposed remotely from the housing, a VELCRO.RTM. strap disposed on the top of the housing so that the self contained audible message device can be mounted under the dashboard of the vehicle, a first negative electrode disposed from the housing, a first positive electrode disposed from the housing, the first positive electrode and the first negative electrode together connecting the present invention to the remote power source, an normally open switch disposed remotely from the housing, a light emitting diode, a second negative electrode disposed from the housing, and a second positive electrode disposed from the housing, the seecond positive electrode and the second negative electrode together connecting the normally open switch to the light emitting diode (L.E.D.).
    Type: Grant
    Filed: January 16, 1990
    Date of Patent: January 22, 1991
    Inventor: Stephen M. Apfel