US 6266649
Prior Art
Amazon's 'Customers Also Bought' — The Recommendation Algorithm That Changed Retail
Patents that US 6266649 cites as prior art — the earlier inventions that this patent builds upon or distinguishes itself from.
CITED PATENTS
22
IN PATENTLENS
0
Citation data
This patent cites 22 prior patents. Citation detail pages are being built out in Phase 2.
Prior art citations are sourced from the USPTO patent database. Only patents indexed in PatentBrief are shown as links — others are recorded by number only.