US 3167440
Forward Citations
How Play-Doh Was Invented
Patents that cite US 3167440 — inventions that reference this patent as foundational prior art in their own applications. High forward citation counts indicate an influential patent.
CITED BY
29 patents
IN PATENTLENS
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Citation network
This patent has been cited by 29 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.