On Thu, 11 Mar 2010 18:56:14 -0600, Chris Friesen
wrote:

On 03/11/2010 06:19 PM, zzzzzzzzzz wrote:

Reading the patent, he certainly *has* sealed off any competing technology.
The amazing thing, is that he seems to have painted himself into the table saw
corner unnecessarily.

I don't think he has...in general the preamble of a patent claim is not
considered a legally limiting constraint. But they're definitely
originally aimed at woodworking equipment.

That wasn't a "preamble". It was the first claim; the independent one.

I'll look up the other patents you cited later.