United States of America Ronald Sheresh, Revenue Agent, Internal Revenue Service, Plaintiffs/petitioners/appellees v. Dynavac, Inc. Donald J. Helmer and Morgan T. Wright, Defendants/respondents/appellants. United States of America Ronald Sheresh, Revenue Agent, Internal Revenue Service, Plaintiffs/petitioners/appellees v. Curtis J. Corn, Defendant/respondent/appellant · Ninth Circuit Court of Appeals · 1993 | Caselegis