File One of These to Protect Your Invention

This page is the CodyCross answer for the clue below from Germany, Group 2191, Puzzle 3 (Contact Lenses).

Question is: File One of These to Protect Your Invention

and the answer is: PATENT

Word Meaning:

PATENT — An official document granting an appointment, privilege, or right, or some property or title; letters patent.

Definitions from Wiktionary.

File One Of These To Protect Your Invention - Germany CodyCross Answers | CodyCross Solutions