PERMAGRAIN PRODUCTS, INC., APPELLANT, v. THE UNITED STATES, APPELLEE. Appeal No. 86-555.United States Court of Appeals, Federal Circuit. June 4, 1986. Craig E. Ziegler, Montgomery, McCracken, Walker Rhoads, Philadelphia, Pa., argued for appellant. Joseph I. Liebman, Atty. in Charge, Intern. Trade Field Office, Dept. of Justice, New York City, argued for appellee. With him on […]