In 1899, Norwegian Johan Vaaler invented this common school and office supply.
Reveal answer
Fill a bubble to check yourself
Keep practicing — related questions
- What did Norweigian Johan Vaaler patent in America in 1901? The invention came about due to a practical dif...
- The Norwegian, who invented the paper Clip. He is ________
- Paper Clip
- Cai Lun (50-121 CE) invented this common item that is found in nearly every home and business.
- Inventor of Paper clip
- In 1902, the ..... was invented by Albert Parkhouse who was frustrated at the lack of hooks available at hi...
- What did Johannes Guttenberg invent ?
- What is this?