Patents by Inventor John C. Stuart

John C. Stuart 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).

  • Method to service telecommunication box
    Patent number: 7237335
    Abstract: A method and apparatus are provided for servicing a telecommunication junction box. The method enables a reduced number of tools to be utilized to service a telecommunication junction box.
    Type: Grant
    Filed: February 25, 2005
    Date of Patent: July 3, 2007
    Inventor: John C. Stuart
  • System for surveillance of and communication with residential entryway from remote location using existing telephone lines
    Patent number: 7012523
    Abstract: A surveillance system for the entryway of a residence utilizes an existing peephole in a door to install a camera and utilizes the existing telephones in a residence to communicate from within the residence with an individual standing in the entryway.
    Type: Grant
    Filed: March 28, 2003
    Date of Patent: March 14, 2006
    Inventor: John C. Stuart
  • System for surveillance of and communication with residential entryway from remote location using existing telephone lines
    Publication number: 20040085450
    Abstract: A surveillance system for the entryway of a residence utilizes an existing peephole in a door to install a camera and utilizes the existing telephones in a residence to communicate from within the residence with an individual standing in the entryway.
    Type: Application
    Filed: March 28, 2003
    Publication date: May 6, 2004
    Inventor: John C. Stuart
  • Method and apparatus for dispensing drugs to prevent inadvertent administration of incorrect drug to patient
    Patent number: 6226564
    Abstract: A drug dispensation method and apparatus significantly reduces the likelihood that a nurse or other health care personnel will inadvertently administer the wrong drug to a patient. The method and apparatus identify a classification and a characteristic of a drug.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: May 1, 2001
    Inventor: John C. Stuart
  • Method and apparatus for installing telephone intercom-voice messaging apparatus at doorbell for dwelling
    Patent number: 6185294
    Abstract: A doorbell response system in used in a dwelling including a telephone line and a telephone. The doorbell response system includes a doorbell, doorbell button, speaker, microphone, dialer to initiate the dialing of a telephone number, connection between the microphone and speaker, a system for eliminating the dial tone in the telephone line for a selected period of time so a person can communicate over the microphone and speaker, a system for dialing a number when the dialer is activated, a battery for the doorbell and doorbell button and telephone, and a trickle charge from the telephone line to the battery.
    Type: Grant
    Filed: February 3, 1998
    Date of Patent: February 6, 2001
    Inventors: O. Joseph Chornenky, Michael G. Maxson, John C. Stuart
  • Method and apparatus for installing telephone intercom--voice messaging apparatus at doorbell for dwelling
    Patent number: 5905787
    Abstract: A doorbell response system is utilized in a dwelling. The dwelling includes a telephone, includes a telephone line connected to the telephone, and includes a doorbell and a pair of doorbell electrical wires which power the doorbell. The doorbell response system is powered by the pair of doorbell electrical wires and includes an auxiliary doorbell button, a speaker, a microphone, and apparatus to initiate the dialing of a telephone number. The doorbell response system also includes a connector to connect the microphone and speaker to the telephone line to enable a first person to converse over the microphone and speaker with a second person on the telephone line, and, includes apparatus for eliminating the dial tone in the telephone line so that the first person can so converse with the second person.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: May 18, 1999
    Inventor: John C. Stuart
  • Method and apparatus for installing telephone intercom-voice messaging apparatus at doorbell for dwelling
    Patent number: 5784446
    Abstract: A doorbell response system can be retrofit in an existing doorbell system without requiring the incorporation of new wiring in the existing doorbell system.
    Type: Grant
    Filed: November 1, 1996
    Date of Patent: July 21, 1998
    Assignee: CMS Investors
    Inventor: John C. Stuart
  • Safety cartridge
    Patent number: 5394635
    Abstract: A firearm safety cartridge lodges a projectile in the breech end of the barrel of the firearm to prevent live ammunition from being inserted into the firing chamber of the firearm.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: March 7, 1995
    Assignee: Edward J. Krolak
    Inventor: John C. Stuart
  • Safety cartridge
    Patent number: 5347739
    Abstract: A firearm safety cartridge lodges a projectile in the breech end of the barrel of the firearm to prevent live ammunition from being inserted into the firing chamber of the firearm.
    Type: Grant
    Filed: November 25, 1992
    Date of Patent: September 20, 1994
    Assignee: Edward J. Krolak
    Inventor: John C. Stuart