
    No. 478.
    No. 508.
    National Aluminate Corp. v. Hall Laboratories, Inc. et al.; and Hall Laboratories, Inc. et al. v. National Aluminate Corp.
    
      John T. Chadwell, Arthur G. Connolly and Richard L. Johnston for the National Aluminate Corporation. Walter J. Blenko, Aaron Finger, James K. Everhart, Jr. and Eugene F. Buell for Hall Laboratories, Inc. et al.
   C. A. 3d Cir. Certiorari denied.

Reported below: 224 F. 2d 303.  