My Atty won't produce the original contract I have asked five times to see it . He now states I owe 40% to him for winning a jury trial . I thought I

IMO, contact the local bar association and speak with bar cousnel. My guess is that a phone call to your attorney from the bar association will promptly result in answers to your questions and production of the documents you have requested.  Under Ohio law, you should have been gioven a copy of the signed fee agreement when you retained the lawyer.