- Court of Appeals for the Federal Circuit | Wednesday, March 20, 1991 | Cited 0 times
- Court of Appeals for the Federal Circuit | Tuesday, March 22, 1994 | Cited 0 times
- Supreme Court of the United States | Monday, December 16, 1991 | Cited 0 times
- Supreme Court of the United States | Monday, June 25, 1984 | Cited 0 times