Top Inventors at Owens-Illinois Labels All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Maurice W. Blackwelder | 5 |
| 2 | Dennis R. Marsh | 4 |
| 3 | Louis M. DiBello | 3 |
| #4 | David A. Pratt | 2 |
| #5 | John Chan | 2 |
| #6 | Richard L. Chaddock | 2 |
| #7 | Hank L. Holzapfel | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Maurice W. Blackwelder | 5 |
| 2 | Dennis R. Marsh | 4 |
| 3 | Louis M. DiBello | 3 |
| #4 | David A. Pratt | 2 |
| #5 | John Chan | 2 |
| #6 | Richard L. Chaddock | 2 |
| #7 | Hank L. Holzapfel | 1 |