Pachmayr Gun Works, Inc., a Corporation, and Firearm Accessories, Inc., a Corporation D/B/A the Mershon Co., Inc. v. Olin Mathieson Chemical Corp. Winchester Western Division, a Corporation, Pachmayr Gun Works, Inc., a Corporation, and Firearm Accessories, Inc., a Corporation D/B/A the Mershon Co., Inc. v. Olin Mathieson Chemical Corp., Winchester Western Division, a Corporation · Ninth Circuit Court of Appeals · 1974 | Caselegis