- Court of Appeals for the Federal Circuit | Tuesday, March 6, 1990 | Cited 0 times
- Court of Appeals for the Federal Circuit | Monday, December 21, 1992 | Cited 0 times
- Supreme Court of the United States | Monday, June 5, 1950 | Cited 0 times
- Court of Appeals for the Federal Circuit | Friday, April 4, 1997 | Cited 0 times