489 P.2d 356 B. K. Sweeney Company, a corporation v. McQuay-Norris Manufacturing Company, a corporation, and D. W. Onan Sons, Inc., a corporation No. 71-152 (Supreme Court No. 24414)Colorado Court of Appeals. Decided October 5, 1971. Plaintiff alleged explosion of natural gas compression station was caused by defendants’ negligence in manufacturing and supplying defective valve […]