Patent ID: 6926929

Claim:
A method for dispensing a liquid, contained in a cartridge, onto a substrate, employing a dispensing system under control of a processor in data communication with a memory, said method comprising: associating an identification code with said cartridge, defining a verifiable identification code, said verifiable identification code including data concerning characteristics of said liquid, defining verifiable characteristic data; receiving, from a user, a request to activate said dispensing system and permit dispensing of said liquid, with said request including said verifiable identification code and data concerning said user, defining user data; comparing said verifiable identification code and said user data to a database containing historical information concerning said user, with said historical information including identification codes of cartridges previously associated with said user, defining historical identification codes that include historical data concerning characteristics of liquids contained in said cartridges previously associated with said user; generating a requested authorization code in response to ascertaining that said historical data matches said verifiable characteristic data; and transmitting said requested authorization code to said user to facilitate activation of said dispensing system in furtherance of dispensing said liquid.