273 N.W. 347 GUSTAV ECKHARDT et al., Appellants, v. BANKERS TRUST COMPANY et al., Appellees. No. 43810.Supreme Court of Iowa. May 11, 1937. FRAUD: Actions — presumption and burden of proof. Fraud is never presumed. He who alleges its existence must establish it by clear, convincing and satisfactory evidence. Principle applied in an equitable action […]