Top Inventors at Heritage-Crystal Clean All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Douglas A. Larson | 2 |
| 2 | Doug Larson | 1 |
| 3 | Ronald Bluestone | 1 |
| #4 | Ryan Bluestone | 1 |
| #5 | Scott D. Lisberg | 1 |
| #6 | Thomas G. Hillstrom | 1 |
| #7 | Ashok S. Lele | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Douglas A. Larson | 2 |
| 2 | Doug Larson | 1 |
| 3 | Ronald Bluestone | 1 |
| #4 | Ryan Bluestone | 1 |
| #5 | Scott D. Lisberg | 1 |
| #6 | Thomas G. Hillstrom | 1 |
| #7 | Ashok S. Lele | 1 |