Metered dosage undirectional tracked pumped dispenser

Nebuliser micro-pump

Plunger lock-up dispenser

Pressurized liquid dispenser with members for locking it in its

Pump dispenser

Pump dispenser package

Pump dispenser used with lotion bottle

Pump dispenser with rotatable nozzle trigger lock

Pump sprayer with slide lock

Pump with back suction phase

Rotating collar and locking and venting closure connector...

Safety closure for a container

Safety lock ring structure of a dispenser pump

Self-resetting child-resistant trigger sprayer

Single-dose cosmetic sample dispenser

Tamper evident lock for liquid pump dispenser

Tamper evident protection for a dispenser of liquid or pastry pr

Tamper-proof chemical dispensing device for high security...

Technical field and background of the invention

Trigger sprayer with discharge port blocking mechanism