Your search Exhibitors Poster Exchange, Inc., Plaintiff-appellant, v. National Screen Service Corporation et al., Defendants-appellees.no. 30886 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.