- Court of Appeals for the Federal Circuit | Monday, November 29, 1993 | Cited 0 times
- Court of Appeals for the Federal Circuit | Wednesday, September 14, 1994 | Cited 0 times
- Supreme Court of the United States | Monday, May 17, 1993 | Cited 0 times
- District Court, N.D. Iowa | Thursday, August 10, 1995 | Cited 0 times
- District Court, N.D. Illinois | Friday, July 19, 1996 | Cited 0 times