- Court of Appeals for the Federal Circuit | Friday, September 1, 1989 | Cited 0 times
- Court of Appeals for the Federal Circuit | Tuesday, January 23, 1990 | Cited 0 times
- Court of Customs and Patent Appeals | Friday, April 9, 1954 | Cited 0 times
- Supreme Court of the United States | Thursday, June 10, 1999 | Cited 0 times