1
Raymond John Burgan, Ted Ernest Goodwin, Steven Lawrence Vervacke: Token array and method employing authentication tokens bearing scent formulation information. Appleton Papers, Banner & Witcoff, September 19, 2006: US07108190 (34 worldwide citation)

Scent formulation information is imparted onto an authentication token. The scent formulation information may be used in numerous authentication applications, such as security badges, airline tickets, and so forth. Various methods and systems involving such tokens are disclosed.


2
Raymond John Burgan, Ted Ernest Goodwin, Steven Lawrence Vervacke: Token array and method employing authentication tokens bearing scent formulation information. Appleton Papers, Leydig Voit & Mayer, September 2, 2004: US20040169071-A1

Scent formulation information is imparted onto an authentication token. The scent formulation information may be used in numerous authentication applications, such as security badges, airline tickets, and so forth. Various methods and systems involving such tokens are disclosed.