Top Inventors at Dayton Superior 1989
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Peter D. Courtois | 2 |
| 2 | Mark K. Kaler | 1 |
| 2 | Roy L. Edgar | 1 |
| 2 | Robert E. Truitt | 1 |
Showing 1–4 of 4 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Peter D. Courtois | 2 |
| 2 | Mark K. Kaler | 1 |
| 2 | Roy L. Edgar | 1 |
| 2 | Robert E. Truitt | 1 |