US 7672870
Prior Art
How American Express Tracks Your Spending Habits Across Different Stores
Patents that US 7672870 cites as prior art — the earlier inventions that this patent builds upon or distinguishes itself from.
CITED PATENTS
356
IN PATENTLENS
0
Citation data
This patent cites 356 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.