A printing system is disclosed. The system includes a laser configured to produce a printing beam for printing a code on a product, the laser being at most a 25 Watt laser and a housing including a printing beam exit member through which the printing beam exits the housing. The system also includes an...http://www.google.co.uk/patents/US6829000?utm_source=gb-gplus-sharePatent US6829000 - Printing a code on a product
