Quote Originally Posted by FredRydr View Post
Quote Originally Posted by Zisi View Post
Here's another example*of the Compressor. It*is arguably the rarest of the mass produced filling systems made by Montblanc. The No. 6 was the largest size, I believe, in the Compressor series which was only produced for about 2 years ->*https://www.vintagemontblancpens.com/no-6-compressor
I wonder if there was any patent infringement litigation between Simplo/Montblanc and Chilton with the later iteration.
Nothing that I heard of, and the mechanism seems almost the same, no? MB only made it for a very few years and it wasn’t very popular anyway so maybe it didn’t cause much trouble?