US 31128
Forward Citations
How Elisha Otis Invented the Modern Safety Elevator
Patents that cite US 31128 — inventions that reference this patent as foundational prior art in their own applications. High forward citation counts indicate an influential patent.
CITED BY
6 patents
IN PATENTLENS
0
Citation network
This patent has been cited by 6 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.