Dual bar code for food contamination detection
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United States of America Patent
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-
Nov 12, 2002
Issued Date -
N/A
app pub date -
Jul 24, 2000
filing date -
May 19, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A dual bar code for detecting food contamination. When no contamination is present a first bar code identifies the food product. When contamination is present a second bar code identifies the presence of contaminants.
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