The Borland patent is a patent for standard exception handling http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL &p=1&u=/netahtml/srchnum.htm&r=1&f=G&l=50&s1=5,628,016.WKU.&OS=PN/5,628, 016&RS=PN/5,628,016
http://snipurl.com/et1w
Paolo