D. Colorado October 1986 casesWinslow v. LehrTechnology Exchange v. Grant State BankPatten v. KnutzenHickman v. Thomas C. Thompson Co.Huffman v. Caterpillar Tractor Co.Schmidt v. Ford Motor Co.Ringer v. BasileSchroder v. VolckerLowell Staats Min. Co. v. Pioneer Uravan, Inc.