Patents by Inventor Harold L. Shapiro

Harold L. Shapiro 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).

  • Child safety device
    Patent number: 5740585
    Abstract: A child safety device which prevents children from closing sliding doors and windows which includes a blocking member which is attached to a door or window frame by an attachment member which allows the blocking member to be positioned in a blocking position wherein the blocking member blocks the door or window from being closed.
    Type: Grant
    Filed: January 14, 1994
    Date of Patent: April 21, 1998
    Inventor: Harold L. Shapiro