No 6469 Was Devised by Lincoln for Stricken Boats
Puzzle 19 of Abraham Lincoln Easy Pack
Question is: No 6469 Was Devised by Lincoln for Stricken Boats
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.