Current U.S. Class: 148/524 ; 148/529; 148/588; 219/100 Current International Class: B23K 11/04 (20060101); C21D 9/50 (20060101)
are you for real. are you pulling numbers and patents out of thin air? why don't you do a check for patents that igia owns at the us patent office database. you are doing nothing more but spewing erroneous information.