KnowraWriting instrumentLinked fromLinked fromThe 5 pages that link to Writing instrument, each with the reason it gives.All 5Related 1Narrower topic 4Ballpoint penNarrower topic: The ballpoint is one design within this broader family of tools.John J. LoudNarrower topic: Loud’s invention is part of the broader history of tools for writing and marking.László BíróNarrower topic: The ballpoint became one of the most widely used modern writing instruments.George Safford ParkerNarrower topic: Parker’s work contributed to the broader market for manufactured writing tools.