A hand-held fluid delivery system includes a rigid body, a collapsible enclosure within the body, a fluid (e.g., correction fluid) within the enclosure, and a delivery end in communication with the collapsible enclosure. The delivery system preferably includes a spring that applies pressure to deliver...http://www.google.de/patents/US6402411?utm_source=gb-gplus-sharePatent US6402411 - Fluid delivery system
