A quick Google Patent Search of "plasma cutter pattern tracer" has 585 hits...
It's a tough world, especially today doing R&D and getting a new product to market.. The patent game has become more like the patent Mafia...
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Thread: plasma cutter tracer (new)
01-08-2013, 07:00 PM #4Hobby Welder for about 32 years
Hobart 190 MIG with SpoolGun
Hobart AirForce 700i Plasma Cutter
Hornell Speedglas 9000X Helmet
295A AC Buzzbox (what I learned on)
Miller Bobcat 225, factory propane option, also serves as my emergency power generator
Dandeman Dan's Toy Page