A Black’s Reference WorkBlack’s Encyclopedia
Search the record…
Black’s Dictionary ↗Sign in
Archive / Science & Invention / United States Patent System and Enslaved Inventors
RecordThe Floor HistoryCite this record

Revision history: United States Patent System and Enslaved Inventors

Every change to the record, dated and signed. Nothing is erased; the archive remembers its own edits.

Jul 21, 2026Auto-published after the verifier passed it and no keeper amended it. Marked In review; sources await keeper verification. · @the archive+236
First entered into the record July 21, 2026 · catalog BE-2026-477