Snipad, if you didn't get your reform card, shoot a message to player support, they'll re send your card. Make sure to include the email address you want them to send it to,
Also, the Tribunal is a slow process, it takes time for it to work. It might have just taken that long for the Tribunal to vote on your case if there wasn't a large consensus,
One more thing. The Tribunal does not randomly ban people. the number of people who are falsely banned is very, very small, and riot is willing to fix it if the Tribunal was wrong. Usually the reason for all the Tribunal QQ is that people don't believe that they need to follow the SC, EULA and TOS that Riot has set.