Printed matter – Having revealable concealed information – fraud preventer or... – Identifier
Patent
1990-06-01
1991-09-24
Bell, Paul A.
Printed matter
Having revealable concealed information, fraud preventer or...
Identifier
283 62, 283117, 281 16, 281 151, B42D 1500
Patent
active
050509098
ABSTRACT:
A stack of sheet assemblies, each of which sheet assemblies comprises first and second sheets each having front and rear major surfaces and first and second opposite edges, a first layer of adhesive adhering a portion of the rear surface of the first sheet adjacent the first edge of the first sheet to the front surface of the second sheet adjacent the first edge of the second sheet with the first edges generally aligned, the first layer of adhesive extending a first predetermined distance from the first edges toward the second edges of the sheets, and a second layer of pressure sensitive adhesive on the rear surface of the second sheet. The second layer of pressure sensitive adhesive comprises a first portion adhering the rear surface of the second sheet of the sheet assembly to the front surface of the first sheet on the sheet assembly beneath it in the stack within the first distance from the first edge.
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Anderson Donn R.
Mertens Timothy A.
Bell Paul A.
Griswold Gary L.
Huebsch William L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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