PatentBrief
US 8219158

Prior Art

Handheld wireless communication device

Patents that US 8219158 cites as prior art — the earlier inventions that this patent builds upon or distinguishes itself from.

CITED PATENTS

230

IN PATENTLENS

0

Citation data

This patent cites 230 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.