Patents by Inventor Henry L. Smith

Henry L. Smith 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).

  • Electronic lock for coin telephones
    Patent number: 5802172
    Abstract: An electronically controlled locking system for use with coin telephones. The system is preferably utilized in conjunction with and controlled by the Wesroc.RTM. Coin Phone Monitoring System. Existing coin phone lock mechanisms consist of a primary lock and a secondary lock. The primary lock actually physically secures the coin vault door in position. The secondary lock locks the primary lock in a locked position. Both locks are mechanical systems which are actuated by mechanical key devices of a common type and structure. This mechanical system is prone to fraud and theft. The present invention provides an electronically controlled latching mechanism for controlling the operation of the existing locking mechanisms.
    Type: Grant
    Filed: December 5, 1994
    Date of Patent: September 1, 1998
    Assignee: Independent Technologies, Inc.
    Inventors: David L. Ingalsbe, Henry L. Smith
  • Hanging display shelf
    Patent number: D309390
    Type: Grant
    Filed: June 6, 1988
    Date of Patent: July 24, 1990
    Inventor: Henry L. Smith
  • Heated pillow
    Patent number: D398182
    Type: Grant
    Filed: August 14, 1997
    Date of Patent: September 15, 1998
    Inventor: Henry L. Smith