Top Inventors at Porter Sewing Machines All Time
Showing 1–8 of 8 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Michael R. Porter | 17 |
| 2 | Charles E. Mulcahey | 9 |
| 2 | John J. Kirby | 9 |
| #4 | Steven Marcangelo | 7 |
| #5 | Edward S. Babson | 3 |
| #5 | Thomas G. Brophy | 3 |
| #7 | Frank W. Laroe | 2 |
| #8 | Robert E. Porter | 1 |