Consolidated Electrical Distributors, Inc. v. Gier

May a written guaranty be orally, mutually terminated? Defendant Gregory Gier started an electric service business known as Greg's A-l Electric. He obtained a line of credit from plaintiff Consolidated Electrical Distributors, Inc. (CED), but only after Gregory Gier's father, Robert L. Gier, signed on January 21, 1976, a guaranty of his son's account. By its terms, CED would not be required to proceed against the purchaser (Gregory) as a condition precedent to enforcing the guaranty. The guaranty also provided that it would remain in full force and effect until written revocation was…