Episode 3 of 3
US Patent Application
- When
- 1901
- Where
- United States
Vaaler filed an application for a United States patent on January 9, 1901.
This filing followed his German application. The design was similar to existing models but less functional. His patents eventually expired quietly while other designs remained in use.
Sources
- Johan Vaaler Wikipedia, revision of 2025-10-14
- Paper clip Wikipedia, revision of 2026-10-01
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.