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BLOOMFIELD HILLS, Michigan, April 22, 2015 – TriMas Corporation (NASDAQ: TRS) – a diversified global manufacturer of engineered and applied products – today announced that the Federal District Court in Colorado entered multiple summary judgment rulings, all in favor of TriMas’ Cequent Americas business, and against Wyers Products Group, Inc. in a patent infringement lawsuit.

This dispute involved multiple patents for hitch receiver locks and universal trailer coupler locks. In its decision, the Federal Court ruled that Wyers’ UMAX50 and UMAX100 universal trailer coupler locks, which Wyers sells under the Trimax brand, infringe Cequent’s U.S. Patent No. 6,722,686 (“Cequent’s ‘686 patent”). The Federal Court also rejected Wyers’ claim that Cequent’s ‘686 patent is invalid and ruled it was valid.

The Federal Court further determined that Cequent did not infringe, as a matter of law, the two patents that Wyers raised in this dispute, U.S. Patent Nos. 7,121,121 and 6,672,115.

About TriMas
Headquartered in Bloomfield Hills, Michigan, TriMas Corporation (NASDAQ: TRS) provides engineered and applied products for growing markets worldwide. TriMas is organized into six reportable segments: Packaging, Energy, Aerospace, Engineered Components, Cequent APEA and Cequent Americas. TriMas has approximately 7,000 employees at more than 60 facilities in 19 countries. For more information, visit

Christine Parker
Manager, Investor Relations & Communications 
(248) 631-5438
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