Flexible bags – Tamper indicating
Patent
1992-04-28
1994-11-01
Shoap, Allan N.
Flexible bags
Tamper indicating
229102, B65D 2730
Patent
active
053602706
ABSTRACT:
A reusable security package is disclosed that includes a closure mechanism for closing a container and for determining whether the container has been opened.
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"The Tupperware Collection", vol. 1, No. 1, Summer 1986, twenty-eight pages.
Polytyechna entitled "Self-Locking Flat Clamping Tape", one page.
Appeldorn Roger H.
Erwin Robert L.
Johnson Robert J.
Rouser Forrest J.
Griswold Gary L.
Hohenshell Jeffrey J.
Kirn Walter N.
McDonald Christopher
Minnesota Mining and Manufacturing Company
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