| 发明名称 |
METHOD FOR PREVENTING COUNTERFEITING OF SALES RECEIPTS |
| 摘要 |
A method for preventing counterfeiting of sales receipts which involves printing at different stages of both fixed and variable information on register rolls.
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| 申请公布号 |
CA2090578(C) |
申请公布日期 |
2004.10.05 |
| 申请号 |
CA19932090578 |
申请日期 |
1993.02.26 |
| 申请人 |
WALLACE COMPUTER SERVICES, INC. |
发明人 |
BATELLI, ORLANDO C.;REPP, MICHAEL A. |
| 分类号 |
B41M3/14;G07G5/00;(IPC1-7):B41M3/14 |
主分类号 |
B41M3/14 |
| 代理机构 |
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