Top Inventors at National Gypsum All Time
Showing 51–61 of 61 inventors
| Rank | Name | Patents |
|---|---|---|
| #36 | Robert Dean | 1 |
| #36 | Robert Piasecki | 1 |
| #36 | William R. Burke | 1 |
| #36 | William Sean Halligan | 1 |
| #36 | John A. Slyh | 1 |
| #36 | Mario P. Morettin | 1 |
| #36 | Richard A. Costolnick | 1 |
| #36 | Deall Daymon | 1 |
| #36 | James J. Segada | 1 |
| #36 | Carl R. Mapes | 1 |
| #36 | Andrew E. Heuer | 1 |