Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Elkton, OH ranks #79,433 worldwide for total patents filed all time, with 3 patents from 1 inventor. Leading employers of inventors based in Elkton, OH include Esm.

Showing 1–1 of 1 inventors

Rank Inventor Primary Company Patents
1 Ronald L. Downard Esm 3

Part of Ohio