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- Court of Appeals for the Federal Circuit | Friday, July 9, 1993 | Cited 0 times
- Supreme Court of the United States | Tuesday, February 23, 1988 | Cited 0 times
- Court of Appeals for the Federal Circuit | Thursday, February 17, 2011 | Cited 0 times
- Court of Appeals for the Federal Circuit | Thursday, February 1, 1996 | Cited 0 times