Patents by Inventor Peter R. Cunningham

Peter R. Cunningham 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).

  • Switching and control mechanisms
    Patent number: 5359168
    Abstract: In FIG. 1, an electrical circuit on a circuit board 9 can be controlled by operation of switches 2B, 3B, 4B. These are operated by removing portions of the board 9, effected by the snapping off of respective corresponding cover member portions 2A, 3A and 4A.When used as a thermal log this control can respectively activate, deactivate and display the thermal data but avoid any tampering.
    Type: Grant
    Filed: December 29, 1993
    Date of Patent: October 25, 1994
    Inventor: Peter R. Cunningham
  • Sensor
    Patent number: D364380
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: November 21, 1995
    Inventor: Peter R. Cunningham
  • Tab for a sensor
    Patent number: D364381
    Type: Grant
    Filed: November 5, 1993
    Date of Patent: November 21, 1995
    Inventor: Peter R. Cunningham