![[Patent Retriever - free download of PDF patents]](/patentretriever.jpg)
Enter each patent document on a new line or insert a space between each one.
Examples:
US patent 6,907,404 is entered as US6907404
US patent application 10/447,493 is entered as US10/447493
US patent publication 2004/0215708 is entered as US20040215708
European application EP 1 661 800 is entered as EP1661800
WIPO publication WO 2004/057274 is entered as WO2004057274