Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert Lamanna | Gentex | 2 |
| 2 | Alexander J. Marker, III | Schott Glass Technologies Co. | 1 |
| 2 | Vincent P. Cianfichi, Jr. | Unknown | 1 |
| 2 | Carl E. Lindquist | San-O-Industrial | 1 |
| 2 | John H. Welsch | Metro Industries | 1 |
Part of Pennsylvania