Recent trademark filing hints at return of Corvette ZR1

General Motors Company [NYSE:GM] on May 16 trademarked the ZR1 name with the United States Patent and Trademark Office, supporting rumors the Chevrolet Corvette ZR1 is set for a return. GM applies the ZR1 name to its most extreme Corvettes (ZR-1 for earlier generations) and so far has used it on the C3, C4 and C6 generations. The last ZR1 was... Recent trademark filing hints at return of Corvette ZR1