goggle has a good patent search engine.
For a start, you should look at a provincial patent which gives you a years worth of protection. If you cant get financing in year, its a bad idea usually

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1985 300D 198K sold
1982 300D 202K
1989 300E 125K
1992 940T

"If you dont have time to do it safely, you dont have time to do it"

"The democracy will cease to exist when you take away from those who are willing to work and give to those who would not."