patenter
/ˈpatntə/ /ˈpeɪtntə/rare before 20th cent
noun
A person who has been granted a patent; one who takes out a patent on an invention, idea, etc.
Origin
Mid 17th century; earliest use found in Acts of Parliament of Scotland. From patent + -er. Compare post-classical Latin patentor, patentarius patentee, holder of letters patent.