In early times people needed to carve, cut, skin, kill, ext. in an easier more efficient way than they do then. Even now people use knives as weapons, tools, utensils, and even in rituals and sacred worships.
A knife isn't actually an invention. And it was certainly not invented my Americans. It was even used in the stone age.
A Butter Knife
by he 7simg a knife
It wasn't an invention since they had been made for thousands of years, but he is known for the Bowie knife .
How did the invention of the wheel help an ancient civilization
Since you did not say which invention your homework is about, we cannot help you.
Yes, Invent Help can provide you with patent information for your invention.
no the invention gave people constipation.
Probably not. Better to hire an attorney if you think you have a marketable invention.
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Yes, InventHelp can assist you in the process of obtaining a patent for your invention.
NO