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- Court of Appeals for the Federal Circuit | Monday, April 29, 1991 | Cited 0 times
- Supreme Court of the United States | Monday, March 7, 1994 | Cited 0 times
- Court of Appeals for the Federal Circuit | Monday, September 22, 2003 | Cited 0 times
- Court of Appeals for the Federal Circuit | Wednesday, November 6, 1996 | Cited 0 times