Top Inventors at U.S. Gypsum All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Timothy D. Tonyan | 5 |
| 2 | James E. Reicherts | 4 |
| 3 | James M. Ullett | 3 |
| #4 | Bartley P. Durst | 1 |
| #5 | Cesar Chan | 1 |
| #6 | James L. Davis | 1 |
| #7 | Michael J. Roth | 1 |
| #8 | Nicholas Boone | 1 |
| #9 | Pamela G. Kinnebrew | 1 |
| #10 | Toney K. Cummins | 1 |
| #11 | William A. Frank | 1 |
| #12 | William F. Heard | 1 |
| #13 | Alan C. Wendt | 1 |
| #14 | Ashish Dubey | 1 |