D. Colorado October 1986 casesHickman v. Thomas C. Thompson Co.Ringer v. BasileWinslow v. LehrTechnology Exchange v. Grant State BankPatten v. KnutzenSchmidt v. Ford Motor Co.Huffman v. Caterpillar Tractor Co.Lowell Staats Min. Co. v. Pioneer Uravan, Inc.Schroder v. Volcker