http://www.patents.ibm.com/patlist?xcl=0
In contrast to other lists, US classification symbols are sorted in
alphabetical order of their titles.
Regards,
Joerg Ohms
-- WissInfo GmbH Dr. Joerg Ohms Katharinenstr. 7 D-79106 Freiburg Phone +49 761 383254 Fax +49 761 383269 E-Mail joerg.ohms@wissinfo.com URL http://www.wissinfo.com