- Court of Appeals for the Federal Circuit | Wednesday, May 2, 1990 | Cited 0 times
- Court of Appeals for the Federal Circuit | Friday, May 14, 2010 | Cited 0 times
- Court of Appeals for the Federal Circuit | Friday, September 21, 2007 | Cited 0 times
- Supreme Court of the United States | Wednesday, March 4, 1992 | Cited 0 times