Surveillance marker and method of making same

Details Surveillance marker and method of making same Surveillance marker and method of making same

1993-09-10

1995-03-28

Ryan, Patrick J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Having magnetic properties, or preformed fiber orientation...

428615, 340551, 340572, B32B 900

Patent

active

054015847

ABSTRACT:
A deactivatable electronic theft detection marker is made from a strip or ribbon of high magnetic permeability strip or ribbon and then high magnetic coercivity material is deposited on the strip or ribbon by electroplating.

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patent: 4539558 (1985-09-01), Fearon
patent: 4686154 (1987-08-01), Mejia
patent: 4743890 (1988-05-01), Hilzinger et al.
patent: 5130698 (1992-07-01), Rauscher
patent: 5146204 (1992-09-01), Zhou et al.
patent: 5181021 (1993-01-01), Lee et al.
patent: 5225807 (1993-07-01), Zhou et al.

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