Patents per Year
Top Inventors at Swenson Spreader All Time
Showing 1–10 of 10 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Christopher Norkus | 5 |
| 2 | James Schaefer | 4 |
| 3 | Ralph W. Hoekstra | 2 |
| #4 | Bill Hintzsche | 1 |
| #4 | Bob Schaefer | 1 |
| #4 | Eric Larsen | 1 |
| #4 | Jason K. Grimes | 1 |
| #4 | Kenneth P. Manon | 1 |
| #4 | Tom Rasmussen | 1 |
| #4 | Troy Fox | 1 |