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The paper clip was not discovered. It was invented.
Johan Vaaler patented the paper clip in 1899 and 1901. He was an inventor and patent clerk in Kristiania, Norway.
The first patent for a bent wire paper clip was awarded in the United States to Samuel B. Fay
he invented the paper clip
The first patent for a bent wire paper clip was awarded in the United States to Samuel B. Fay, in 1867.
Most paper clips are made from steel. You could make a paper clip out of copper, but the cost would be higher for something that would do the same job.
He saw a need, and he found a way to meet it.
Oxygen in the water will cause oxidation of iron minerals in the clip, creating rust.
The paper clip was not discovered. It was invented.
The paper clip clings to the the magnet
A red paper clip
It could be a paper clip. Answer A clothes pin
You could try and use a paper clip
There are only one property of a paper clip. The property to a paper clip is the testing.
The paper clip inventor is John Vaaler
The capacity of a paper clip is milligrams positive
A metal paper clip will conduct electricity.