Top Inventors at Servicemaster Industries All Time
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Roland A. Blomgren | 3 |
| 2 | Robert L. Shallenberg | 2 |
| 2 | William M. Copeland | 2 |
| #4 | David L. Coleman | 1 |
| #4 | Harry F. DeBoer | 1 |
Showing 1–5 of 5 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Roland A. Blomgren | 3 |
| 2 | Robert L. Shallenberg | 2 |
| 2 | William M. Copeland | 2 |
| #4 | David L. Coleman | 1 |
| #4 | Harry F. DeBoer | 1 |