Inventor · disambiguated record
Calin A. Sandru
Also filed as: SANDRU CALIN A
4 granted patents·670 citations·filing 1997–2003
84Inventor score
Files withSANDRU CALIN A1
Top patents by PatentIndex Score
4 records- 0193US7004382B2Payment validation networkSANDRU CALIN A·Filed 2003·Granted Feb 28, 2006·395 cites·29 claims
- 0289US6549624B1Apparatus and method for enhancing the security of negotiable documentsFiled 2000·Granted Apr 15, 2003·88 cites·10 claims
- 0384US6792110B2Apparatus and method for enhancing the security of negotiable instrumentsFiled 2002·Granted Sep 14, 2004·58 cites·17 claims
- 0480US6233340B1Apparatus and method for enhancing the security of negotiable documentsFiled 1997·Granted May 15, 2001·129 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →