WILMINGTON, Del. - Bankrupt Revstone Industries Inc. on Feb. 4 filed a supplemental brief in the U.S. Bankruptcy Court for the District of Delaware opposing the motion of the Official Committee of Unsecured Creditors seeking to appoint a Chapter 11 trustee or convert the case to Chapter 7 bankruptcy (In Re: Revstone Industries LLC, No. 12-13262, Chapter 11, D. Del. Bkcy.).