Patents by Inventor Richard E. Liestman

Richard E. Liestman 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).

  • Key chain holder with clock and alarm
    Patent number: 8031078
    Abstract: The invention is a key chain holder with clock and audible alarm. The invention includes a housing that contains the alarm, which is actuated by a spring-loaded trigger. The spring-loaded trigger requires at least 5 pounds of pressure in order to set off the alarm. The invention also includes a hand strap and flash light. The clock displays the time and date.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: October 4, 2011
    Inventor: Richard E. Liestman