- Supreme Court of the United States | Monday, December 15, 1980 | Cited 0 times
- Court of Appeals for the Federal Circuit | Friday, February 16, 2001 | Cited 0 times
- Court of Appeals for the Federal Circuit | Friday, February 18, 1994 | Cited 0 times
- Court of Appeals for the Federal Circuit | Monday, April 30, 2001 | Cited 0 times