Click on this link to go to the USPTO website -
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=21&f=G&l=50&d=PTXT&S1=kirkness&OS=kirkness&RS=kirkness
http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-adv.htm&r=21&f=G&l=50&d=PTXT&S1=kirkness&OS=kirkness&RS=kirkness