A man’s legal quest to reclaim his vintage fighter plane may have run its course.Richard Vartanian cannot sue the current owners of a World War II-era P-51D Mustang he alleges was stolen from him sometime between 1974 and 1985, a federal appeals panel found, because too much time has passed since he discovered the plane was missing.The 7th Circuit Court of Appeals panel last week affirmed the district court’s ruling that Vartanian’s claims against Amphib Inc. and Charles Greenhill are time-barred.&ldquo …