Sheaffer.

Sheaffer (Sheaffer) one of the oldest ink pen company, was founded by Walter A. Sheaffer (Walter-A-Sheaffer) in 1913; in the 1920s, Sheaffer introduced the best-selling lifetime nibs and colored celluloid ink pen In the 1920s, Sheaffer introduced the lifetime nibs and colored celluloid ink pens that were popular throughout the United States; in the 1930s, it streamlined its ink pens and developed the feathered bi-directional nibs, piston inking devices, and visual inking devices; in the 1940s, it adopted the light-pressure inking devices; and in the 1950s, it pushed its business to the top with the "clean" inking devices. In short, Sheafferi is a brand of ink pens where tradition and innovation go hand in hand.