Inventor · disambiguated record
Christopher A. Malchak
Also filed as: MALCHAK CHRISTOPHER A
3 granted patents·143 citations·filing 1998–2005
76Inventor score
Files withNCR CORP3
Top patents by PatentIndex Score
3 records- 0194US5967264AMethod of monitoring item shuffling in a post-scan area of a self-service checkout terminalNCR CORP·Filed 1998·Granted Oct 19, 1999·95 cites·20 claims
- 0288US7575162B1Self-checkout system and methodNCR CORP·Filed 2005·Granted Aug 18, 2009·36 cites·32 claims
- 0371USRE41093EMethod of monitoring item shuffling in a post-scan area of a self-service checkout terminalNCR CORP·Filed 2001·Granted Feb 2, 2010·12 cites·57 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →