Formulabs, Incorporated, Clarence Schreur and Gordon S. Lacy v. Hartley Pen Company, and E. I. Du Pont De Nemours & Company, Hartley Pen Company, a California Corporation, Doing Business as the Hartley Co. v. The Honorable William C. Mathes, Judge of the United States District Court for the Southern District of California, Central Division, E. I. Du Pont De Nemours & Company, a Delaware Corporation, and the Real Party in Interest, Formulabs, Incorporated, a California Corporation Clarence Schreur Individually Gordon S. Lacy, Individually Pacific Research Laboratory, a Partnership · Ninth Circuit Court of Appeals · 1962 | Caselegis