Mettmann, OH ranks #23,017 worldwide for total patents filed in 2011, with 1 patent from 1 inventor. Leading employers of inventors based in Mettmann, OH include Ucar Carbon Company.
Showing 1–1 of 1 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard T. Lewis | Ucar Carbon Company | 1 |
Part of Ohio