Bill cosby appealed his sexual assault conviction today asserting he has been wrongly convicted of assaulting envious constant bill cosby filed his appeal with the pennsylvania superior court appeal said cosby's conviction was not based on any credible evidence but on flawed erroneous in prejudice rulings cosby accused the court of abuse of discretion in allowing accusers other than constant to testify and the defense also said cosby's deposition from a civil case in which he admitted to sharing quayle's with women serve no purpose in the criminal case but to