careful with the window ice

since the topic on windows came up, is there a way or should i say a service to buff scraches from a window? my car came with some pretty mean ones, on all the windows!! i could not figure out how they got there, then it hit me, its from sraping the ice off them. it looks real bad up close and id love to tint but i havent for its most likely going to magnify all of them. :roll:
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http://www.eastwoodco.com/jump.jsp?item ... pe=PRODUCT
I've used something very similiar at my job. It takes a long time if they're deep but will eventually buff most scratches out to at least a polished channel or lowspot that isn't very noticeable. Minor scratching it will remove completely. I'm not sure if it's exactly the same as the stuff I used, but it looks the same and I'd be willing to bet it works about the same. I'd definately try it.