An actual U.S. patent:
http://patft.uspto.gov/netacgi/nph-...,055,910.WKU.&OS=PN/6,055,910&RS=PN/6,055,910
UN-believable.
http://patft.uspto.gov/netacgi/nph-...,055,910.WKU.&OS=PN/6,055,910&RS=PN/6,055,910
UN-believable.
