187 A.2d 291 Highway Truck Drivers and Helpers, Local 107 v. Cohen (et al., Appellant). Supreme Court of Pennsylvania.November 14, 1962. January 8, 1963. Practice — Intervening party — Right to intervene — Unincorporated labor union — Pa. R. C. P. 2327 and 2329. In this action in equity brought on behalf of a named […]