The federal government granting them a patent using the power vested in it by Article I, Section 8 of the Constitution is an example of this kind of power: expressed power.
A Constitution can be defined as a set of formally written laws and principles which typically determines the power and authority of a democratic government, as well as guarantee the fundamental rights and freedom of her people (citizens).
An expressed power can be defined as type of power that is granted to the government of the United States of America and it is explicitly (specifically) stated by Article I, Section 8 of the US Constitution.
This ultimately implies that, a type of power that is explicitly (specifically) stated by Article I, Section 8 of the Constitution is commonly referred to as an expressed power.
Read more on expressed power here: https://brainly.com/question/1423436
#SPJ1