|
2003
|
Invention
|
Payment validation network. A payment validation network having network of payment validation cel... |
|
2002
|
Invention
|
Apparatus and method for enhancing the security of negotiable instruments. The invention relates ... |
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2000
|
Invention
|
Apparatus and method for enhancing the security of negotiable documents. The invention relates to... |
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1998
|
P/S
|
computer software to authenticate information on negotiable instruments in the field of fraud pre... |
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1997
|
Invention
|
Apparatus and method for enhancing the security of negotiable documents. Another security feature... |
