Mary Douglas MASON, et al. v. Patricia CROOKER-MULLIGAN and Harry C. Crooker. Supreme Judicial Court of Maine.Argued October 31, 1989. Decided March 1, 1990. Appeal from the Superior Court, Cumberland, County, Delahanty, J. Peggy L. McGehee (orally), Perkins, Thompson, Hinckley Keddy, Portland, for plaintiffs. Christopher L. Vaniotis (orally), Bernstein, Shur, Sawyer Nelson, Portland, for defendants. […]