Episode 2 of 2

French Patent Registration

When
25 May 1827
Where
Paris
Part of
Petrache Poenaru receives French patent for the fountain pen

The French Ministry of the Interior registered Poenaru's fountain pen invention on 25 May 1827, assigning it code number 3208.

The registration occurred in Paris, where Poenaru was studying. The official description highlighted the pen's ability to recharge itself with ink. This event marks the formal recognition of his specific swan-quill design by French authorities.

Sources

  1. Petrache Poenaru Wikipedia, revision of 2026-06-27

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.