Morriss O’Bryant Compagni obtains patent 7,992,759 for Megastir Technologies, LLC
Morriss O’Bryant Compagni obtains patent 7,992,759 for Megastir Technologies, LLC
Patent No. 7,992,579
Title TWO SPIRAL STEPPED FRICTION STIR WELDING TOOL
Issue Date August 9, 2011
Owner Megastir Technologies, LLC
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