Patents by Inventor Milton E. Wilkinson

Milton E. Wilkinson 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).

  • Portable cellular alert system
    Patent number: 5892447
    Abstract: The claimed invention comprises a personal warning system including a mobile transmitting device and a mobile receiving device including a receiver which receives signals transmitted by the transmitting device, a proximity device for providing a signal indicative of the proximity of the transmitting device and an alarm, communicating with the proximity device, for providing warning of the proximity of the transmitting device.
    Type: Grant
    Filed: December 6, 1996
    Date of Patent: April 6, 1999
    Inventor: Milton E. Wilkinson