Your search Charles Layton Cox, Petitioner-appellant, v. H. D. Feldkamp, Atlanta Federal Penitentiary, Respondent-appellee.no. 30590 Summary Calendar.**rule 18, 5 Cir.; See Isbell Enterprises, Inc v. Citizens Casualty Co. of New York et al., 5 Cir. 1970, 431f.2d 409, Part I did not match any document.