Useful references available at RTAO
 
"Inventor's Guide to Patent Protection" by Albert Wai-Kit Chan
Video tapes on Patent Seminar held in the University in March 1997
Study materials on Patent Workshop in University conducted
in March 1997 

availabe at University Library
 
"Patent it yourself", David Pressman, Nolo Press (KF3114.6.P74 1991)