An economical, non-clogging apparatus for dispensing premeasured amounts of liquid from a container placed on a shelf is provided which contains no spring, has a secure shipping mode, permits one-handed operation, has few moving parts, and avoids liquid wastage by preventing inadvertent removal ...
When implemented in a portable dispenser, regardless of the state and the pressure unknown therapeutic gas in the measurement chamber, reliably, portable dispenser may deliver consistent doses of gas. In one embodiment, further includes an orifice for controlling the gas flow rate, the output of ...