A method of forming a switching device having a movable contact that is an integral part of a metallic support substrate and is supported above the support substrate by a plurality of spring-like legs that are also an integral part of the support substrate. One or more of the switching devices is produced...http://www.google.ca/patents/US3950846?utm_source=gb-gplus-sharePatent US3950846 - Method of forming a deformed, integral switching device
