Roy E. Hanson, Jr. Mfg. v. County of Los Angeles , 27 Cal.3d 870 [L.A. No. 31241. Supreme Court of California. August 14, 1980.] ROY E. HANSON, JR. MFG., Plaintiff and Respondent, v. COUNTY OF LOS ANGELES et al., Defendants and Appellants (Opinion by Mosk, J., with Tobriner, Clark, Richardson, Manuel and Newman, JJ., concurring. […]