- Court of Appeals for the Federal Circuit | Friday, July 19, 1991 | Cited 0 times
- Court of Appeals for the Federal Circuit | Wednesday, September 23, 1992 | Cited 0 times
- Court of Appeals for the Federal Circuit | Wednesday, April 5, 1995 | Cited 0 times
- Supreme Court of the United States | Monday, May 14, 1962 | Cited 0 times