That certainly does not qualify as overturned on appeal, which implies a false finding of fact or law, or improper procedural actions. Notice that his conviction was vacated, which in no way absolves him guilt, which is what you were trying suggest.
Your information is not factual. Lawrence Silberman and David Sentelle, sitting on the Court of Appeals for Washington, D.C., vacated the convictions of Oliver North and John Poindexter in 1990 (i had not previously mentioned Poindexter, being uncertain about that at the time i wrote my last post). Gesell denied an appeal by Independent Counsel after this voiding of the conviction. A complete description of the proceedings can be found
here.
The three judge panel to which you refer was the Washington Court of Appeals, which voted two to one to vacate, Silberman and Sentelle voting to void the convictions.