- Court of Appeals for the Federal Circuit | Thursday, December 20, 1990 | Cited 0 times
- Court of Appeals for the Federal Circuit | Friday, September 13, 1991 | Cited 0 times
- Court of Appeals for the Federal Circuit | Monday, September 17, 1984 | Cited 0 times
- Court of Appeals for the Federal Circuit | Wednesday, April 5, 1995 | Cited 0 times
- Supreme Court of the United States | Tuesday, March 3, 1970 | Cited 0 times