Episode 3 of 3
Supreme Court Ruling
- When
- 1875
- Where
- unresolved
The US Supreme Court declared the patent invalid in 1875, ruling against Reckendorfer.
The Court determined that the invention was a combination of two already known things with no new use, and declared the patent invalid.
Sources
- Hymen Lipman Wikipedia, revision of 2026-08-12
- Pencil Wikipedia, revision of 2026-09-22
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.