Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Steven Howell | Unknown | 4 |
| 2 | Larry D. Milliken | Akzo Nobel N.V. | 3 |
| 2 | Michael Edward Sandherr | — | 3 |
| 2 | Peter Manzione | — | 3 |
| 2 | Holly C. Axtell | Gentex | 3 |
| #6 | Eric Joseph Bilskie | The Procter & Gamble | 2 |
| #6 | Albert W. Beucker | Beloit | 2 |
| #8 | Nelson R. Stauffer | — | 1 |
| #8 | Darren Maria | — | 1 |
Part of Pennsylvania