Patents per Year
Top Inventors at Protective Industries All Time
Showing 1–7 of 7 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Frederick W. Zeyfang | 27 |
| 2 | William H. Sardini | 2 |
| 3 | Cory Michael Sierant | 1 |
| 3 | Brian Mayo | 1 |
| 3 | John Charles Meidenbauer | 1 |
| 3 | Rederick W. Zeyfang | 1 |
| 3 | Timothy Chase | 1 |