Answer:D)Patent license.
A patent license is a legal protection that provides a person or legal entity with exclusive rights to making,using a selling an invented concept or product. The right exclude others from doing the same kind of concept.it is a grant of protection for invention.
Explanation:
I believe the answer is A, but also C sounds familiar, I hope it is one of these! If not, I truly apologize.
Answer:
You should always keep three items in your car. Your vehicle registration and proof of insurance can stay in the glove box or someplace else where they will be easy to find and hard to lose. Your driver's license is the third thing, and that should stay on you any time you are in a car.
<span>A. A farmer who has to give most of what he farms to someone else
A serf was almost a slave to the king or lord.
Hope that helps.</span>
