Episode 1 of 3
US Patent 180,857
- When
- August 8, 1876
- Where
- United States
Thomas Edison received US patent 180,857 for Autographic Printing on August 8, 1876, establishing the legal basis for his stencil duplicating technology.
The patent covered the process of forcing ink through a stencil onto paper. This invention, known as autographic printing, was distinct from earlier forms like the Papyrograph. The date is explicitly stated in the source as August 8, 1876, confirming the legacy row's date.
Sources
- Mimeograph Wikipedia, revision of 2026-10-08
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.