A grant to an inventor to make, use, or sell an invention is called

a. A. permit

B. license

C. loan

D. patent

A permit gives authorization to allow someone to do something.

A license allows the use of something or to allow an activity.

A loan is to borrow (money or property)

A patent is the right granted by government to an inventor to sell, manufacture, or use an invention for a certain number of years.

Which means the answer would be D. Patent