Top Inventors at Barker All Time
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | J. Patrick McMahon | 3 |
| 2 | James E. Peterson | 2 |
| 2 | John McMahon | 2 |
| #4 | Robert Nai Hon Mak | 1 |
| #4 | Timothy L. McMahon | 1 |
| #4 | William Carter | 1 |
Showing 1–6 of 6 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | J. Patrick McMahon | 3 |
| 2 | James E. Peterson | 2 |
| 2 | John McMahon | 2 |
| #4 | Robert Nai Hon Mak | 1 |
| #4 | Timothy L. McMahon | 1 |
| #4 | William Carter | 1 |