pen Archives - Patent Yogi LLC

Ingenious Invention: Dotted Line Pen

Dotted line Patent Information Publication number: DE2452118 A1 Patent Title: Rotary dotted line pen – has stepped drawing wheel mounted on end of housing Publication…

This Day in Patent History - On Februay 24, 1931, Parker Pen patented the iconic desk sets for supporting fountain pens

On Februay 24, 1931, Parker Pen patented desk sets for supporting fountain pens. Pen receptable used to be a standard feature of all work desks.…

Celebrity Patent - Paul Winchell, an American ventriloquist and comedian, patented a retractable fountain pen

Paul Winchell was almost as “multi-talented” as Leornardo Da Vinci. He performed as comedian, ventriloquist, voice actor, inventor, and humanitarian. He is most famous…

Event of the Day – September 29 is celebrated as Inventors' Day in Argentina - Birthday of the inventor of the ballpoint pen, László József Bíró

The Inventors’ Day in Argentina has been celebrated since 1986 and is held yearly on September 29, the birthday of the inventor of the ballpoint…