Patents by Inventor Charles L. Hentz

Charles L. Hentz 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).

  • Information and security audio and video transmission reception system
    Patent number: 7030753
    Abstract: Disclosed is a transmission and reception system for security and information exchange. The system allows audio, video, and other types of monitoring of a location and the presentation of various services and forms of information to people at the location.
    Type: Grant
    Filed: October 25, 2004
    Date of Patent: April 18, 2006
    Inventors: Charles L. Hentz, Stavros Antonakakis
  • Advertising kiosk and telephone booth
    Patent number: D463032
    Type: Grant
    Filed: February 1, 2000
    Date of Patent: September 17, 2002
    Inventor: Charles L. Hentz