An ergonomically designed pipette tip that can be securely mounted to a barrel of a pipetter yet is designed to substantially reduce the axial force necessary to install and eject the pipette tip from the pipetter. An improved pipette tip that includes the addition of a second elastomeric material and...http://www.google.fr/patents/US8071050?utm_source=gb-gplus-shareBrevet US8071050 - Ergonomic pipette tip and adapters