US 98304
Forward Citations
William Semple's 1869 Patent for Improved Chewing Gum
Patents that cite US 98304 — inventions that reference this patent as foundational prior art in their own applications. High forward citation counts indicate an influential patent.
CITED BY
2 patents
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Citation network
This patent has been cited by 2 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.