Arb (American Research Bureau), Inc. v. E-Systems, Inc., Arb (American Research Bureau), Inc. v. E-Systems, Inc

TAMM, Circuit Judge:

In this case we are called upon to review the disposition by the district court 1 of a complex contract dispute between ARB (American Research Bureau), Inc., a corporation engaged in television and radio audience research, and E-Systems, Inc. (Melpar Division), a designer and manufacturer of electronic systems primarily used for defense and communications purposes. Both parties have appealed from the trial court’s judgment. We affirm the district court as to most of its conclusions. Because we find that it did not apply properly the Maryland statutory parol evidence rule,…