Leak proof closure device with spring member

Leak proof closure device with spring member

Leak proof closure mechanism for resealable bag

Leak-proof package design including reclosable zipper having...

Liquid tight locking arrangement with sealing fingers

Lockable bag with plastic zipper closure and zipper closure...

Lunch bag

Manufacture of multi-layered reclosable bag making material and

Method for making slider end stops on zippers for reclosable...

Method of forming a closed filled bag, a bag construction and an

Molded sliders for actuating zippers in reclosable packages

Multi-compartment bag with an asymmetrical closure

Multi-Layered freezer storage bag

Multiple omega closures

Multiposition interlocking closure fastening device

Non-reclosable mechanically fillable and closable link bag struc

One-way zip-locking closure

Packing, method of manufacturing same, and strip material theref

Packing, method of manufacturing same, and strip material theref

Partially secured four flange zipper strip for transverse...