Well it turns out that Dr. Stephen Gass in the inventor on 15 patents. Most of which deal with stopping blades to prevent injury. What may be interesting to some is a sentence in Patent number 6920814 Cutting tool safety system "The present invention is applicable to power equipment, and specifically to woodworking equipment such as table saws, miter saws, band saws, circular saws, jointers, etc. " As an aside, look at the list of referenced patents on any of his patents. Its got to be all the powered saw patents ever issued. Bob
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