A test tube storage tray assembly with multiple storage bays for individual test tubes is disclosed. The storage tray assembly comprises three sections: a base section, a center section and a cover section. Each storage bay centers a test tube stored at two levels: at the base section and at the center...http://www.google.fr/patents/US5993745?utm_source=gb-gplus-shareBrevet US5993745 - Archival storage tray for multiple test tubes