HERCULES, Calif., November 5, 2007 – Bio-Rad Laboratories, Inc. (AMEX: BIO and BIOb), a multinational manufacturer and distributor of life science research and clinical diagnostic products, today announced the availability of a technical bulletin (bulletin 5534A), that describes results of the testing of the BioOdyssey™ Calligrapher™ MiniArrayer, which is used for the printing of protein microarrays.