The present invention comprises a credit card printer apparatus which includes inkless fingerprinting directly on a medium, such as a check or credit card slip. The printer can include a housing or bed having one or more replaceable cartridges with a pair of reservoir resilient foam cell pads having...http://www.google.fr/patents/US4182261?utm_source=gb-gplus-shareBrevet US4182261 - Credit card printer for fingerprints and solutions
Credit card printer for fingerprints and solutions