- Court of Appeals for the Federal Circuit | Wednesday, March 24, 1993 | Cited 0 times
- Court of Appeals for the Fifth Circuit | Monday, March 22, 1993 | Cited 0 times
- Court of Appeals of Texas | Friday, May 17, 1985 | Cited 0 times
- Court of Appeals of Texas | Thursday, August 29, 1985 | Cited 0 times