Top Inventors at Twin City International All Time
Showing 1–9 of 9 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Jerry J. Spongr | 10 |
| 2 | Boris B. Joffe | 5 |
| 2 | Byron E. Sawyer | 5 |
| 2 | John E. Tiebor | 5 |
| #5 | Boris N. Ivasyuk | 2 |
| #6 | James A. Holler | 1 |
| #6 | William B. Stanton | 1 |
| #6 | Peter W. Raffelsberger | 1 |
| #6 | Ralph J. Dalfonso | 1 |