Top Inventors at Tulips All Time
Showing 1–12 of 12 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Bernard N. Spiegelberg | 20 |
| 2 | Terry J. Evraets | 7 |
| 3 | Mark E. Sauter | 6 |
| #4 | Daniel E. Kelly | 5 |
| #5 | Charles W. Kostrivas | 2 |
| #5 | Dennis J. Brown | 2 |
| #5 | Eric Fosgard | 2 |
| #8 | Gary R. Whitcher | 1 |
| #8 | Dale W. Owens | 1 |
| #8 | Jack C. Cornelius | 1 |
| #8 | Mark K. Gregory | 1 |
| #8 | Ted Lemke | 1 |