US 7812828
Prior Art
Ellipse fitting for multi-touch surfaces
Patents that US 7812828 cites as prior art — the earlier inventions that this patent builds upon or distinguishes itself from.
CITED PATENTS
285
IN PATENTLENS
0
Citation data
This patent cites 285 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.