The best way to stop them is to eliminate the population in your area.
Sounds impossible? There is a product that does just that, and it works. The Bugeater
I've been using it for years. Have a look at their website http://www.bugkiller.com.au/testimon.htm
man i dont know if that is possible (to prevent mosquito attack)! i get mosquito bites all the time! out of a crowd im the one that gets attacked. sorry i couldnt help. ive never heard of mosquito patches.
i dont know about you but off does not work for me! ive tried rubbing alcohol and that doesnt work either.