A sterilization and storage cassette formed of heat-resistant plastic and having two identical tray halves. In one embodiment, at least one tray half includes a rotatable retaining member for retaining dental instruments within the tray. In a second embodiment, a clamping member is inserted in one tray...http://www.google.com.au/patents/US5433929?utm_source=gb-gplus-sharePatent US5433929 - Sterilization and storage cassette
