PatentBrief
US 821393

Forward Citations

How the Wright Brothers' First Flying Machine Controlled Flight

Patents that cite US 821393 — inventions that reference this patent as foundational prior art in their own applications. High forward citation counts indicate an influential patent.

CITED BY

19 patents

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Citation network

This patent has been cited by 19 later patents. Citation detail pages are being built out in Phase 2.

Forward citation data is sourced from the USPTO patent database. Only patents indexed in PatentBrief are shown as links.