B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/12
B31B 1/90 (2006.01)
Patent
CA 1338065
A tamper-evident seal for a plastic envelope with a pocket and closing flap having first adhesive sealing means for sealing the flap to the envelope and a second, tamper-evident sealing means adhering to the end of and extending. beyond the end of the flap which also adheres to the envelope after the flap is closed and sealed.
616951
Makowka Kenneth R.
Sim & Mcburney
LandOfFree
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