
    No. 80-848.
    No. 80-883.
    Piper Aircraft Co. v. Reyno, Personal Representative of the Estates of Fehilly et al. ; and Hartzell Propeller, Inc. v. Reyno, Personal Representative of the Estates of Fehilly et al.
   C. A. 3d Cir. [Certiorari granted, 450 U. S. 909.] Motion of Law Offices of Gerald C. Sterns for leave to file a brief as amicus curiae granted.  