| 发明名称 |
Dual bar code for food contamination detection |
| 摘要 |
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.
|
| 申请公布号 |
US6479016(B1) |
申请公布日期 |
2002.11.12 |
| 申请号 |
US20000624293 |
申请日期 |
2000.07.24 |
| 申请人 |
CALIFORNIA SOUTH PACIFIC INVESTORS |
发明人 |
GOLDSMITH ROBERT M.;GOLDSMITH CATHERINE H.;WOODAMAN JAMES G. |
| 分类号 |
G01N33/12;(IPC1-7):G01N33/12 |
主分类号 |
G01N33/12 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
