Stationery Fastening Device Patented by Henry Heyl
Puzzle 13 of Ancient China Hard Pack
Question is: Stationery Fastening Device Patented by Henry Heyl
and the answer is: STAPLER
Word Meaning:
STAPLER — A device which binds together sheets of paper by driving a thin metal staple through the sheets and simultaneously folding over the ends of the staple against the back surface of the paper.
Definitions from Wiktionary.