400 U.S. 956 BECKMAN INSTRUMENTS, INC., ET AL.v.CHEMTRONICS, INC., ET AL. No. 711. Supreme Court of United States. December 14, 1970. 1 C. A. 5th Cir. Certiorari denied. Reported below: 439 F.2d 1369. Tagged: 400 U.S. 956