Patents by Inventor Dorothy P. Kohn

Dorothy P. Kohn 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).

  • Publication number: 20070222594
    Abstract: A removable liner can be inserted in a women's handbag or mans briefcase. This liner contains a removable packaged device that consists of a compilation of a radio controlled sonic alarm receiver, with a crystal controlled radio frequency hand receiver that is tuned to a small matched frequency radio transmitter, that is carried on the person. A stable adjusted zone of signal influence will be providing a zone of 20 feet around the person. When the pocketbook or briefcase is removed, stolen or mislaid or is removed from the zone of influence within 10 feet of the radio controlled receiver a loud sonic alarm and/or vibration will alert the owner and security guards of the distress of the device protected handbag or briefcase.
    Type: Application
    Filed: March 14, 2006
    Publication date: September 27, 2007
    Inventor: Dorothy P. Kohn
  • Patent number: D334661
    Type: Grant
    Filed: January 17, 1991
    Date of Patent: April 13, 1993
    Inventor: Dorothy P. Kohn