Patents Assigned to Kenneth R. Wessel
  • Secure badge for infrared badge reader and process for making same
    Patent number: 4583766
    Abstract: An improved security badge is provided for use with an infrared badge reader. The badge is formed from a plurality of layers of PVC film which are laminated under appropriate conditions of heat and pressure to form an integral member. An infrared blocking material is disposed intermediate two of the layers. The non-blocking portions of the badge transmit between 0.90% and 1.25% infrared light.
    Type: Grant
    Filed: May 8, 1984
    Date of Patent: April 22, 1986
    Assignee: Kenneth R. Wessel
    Inventor: Kenneth R. Wessel