1
Herz Andre: Profiled closing members with slide. Minigrip, Hill Sherman Meroni Gross & Simpson, February 12, 1974: US3790992 (113 worldwide citation)

A method of making bags and the bags resulting therefrom wherein the bags have a top edge and first and second side edges and interlocking rib and groove element at the top edge with a slider straddling the top edge and the slider having a back and downwardly projecting sides with the sides being cl ...


2
Profiled closing members with slide. Minigrip London, April 30, 1975: GB1392642-A

1392642 Plastics bags MINIGRIP (LONDON) Ltd 30 June 1972 [30 June 1971] 30835/72 Heading B8K [Also in Division E2] A reclosable fastener structure for releasably joining the top edges of a bag 3 comprises a pair of flexible plastic sheets 1, 2 with separable fastener means at their top edges 27 havi ...