Cleveland,OH-based The Lincoln Electric Co. and Lincoln Global, Inc., two subsidiaries of Lincoln Electric Holdings, Inc., have filed a lawsuit against Lisco, Inc., a Los Angeles-based company doing business as Rhino Welders and Phoenix Welding Supply Co., for patent, trademark, copyright and trade dress infringement and unfair competition. The lawsuit was filed in the U.S. District Court for the Central District of California.

Rhino Welders recently imported and started selling a family of Chinese-manufactured MIG welders through its distributor, Phoenix Welding Supply. Lincoln Electric alleges that the machines are copies of Lincoln’s POWER MIG(R) line of welders and infringe Lincoln’s intellectual property …