The early to mid-1990s was a very difficult time for the industry due to patent litigation initially brought against The Lockformer Company, which at the time was a division of Met-Coil. In March 1991 ...
ISM by Lockformer, the spiral duct-forming brand of Mestek Machinery, hosted an open house June 22 for employees and dealers at its new facility in Libertyville, Illinois. The larger facility will ...
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