
    No. 80-2097.
    No. 81-52.
    Potter Instrument Co., Inc. v. Storage Technology Corp. et al.; and Control Data Corp. et al. v. Potter Instrument Co., Inc., et al.
   C. A. 4th Cir. Certiorari denied. [See also 453 U. S. 923.] Reported below: 641 F. 2d 190.  