458 P.2d 12 MICHAEL D. REGAN et al., Appellants, v. THE CITY OF SEATTLE, Respondent.[*] No. 39997.The Supreme Court of Washington. Department Two. August 14, 1969. [*] Reported in 458 P.2d 12. [1] Judgment — Summary Judgment — Purpose — Burden of Proof. The purpose of a summary judgment is to avoid a useless trial. […]