A method of dispensing baby milk powder which comprises compacting the powder to its maximum extent in a measuring chamber, which comprises a tubular member housing a plunger so that the chamber is defined between the plunger and an open end of the tubular member, and actuating the plunger to dispense...http://www.google.ca/patents/US4188984?utm_source=gb-gplus-sharePatent US4188984 - Baby-milk powder dispenser
