Showing 251–253 of 253 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| #169 | Albert J. Keyworth | — | 1 |
| #169 | James P. Unger | Marshall And Williams | 1 |
| #169 | David Purcell | W.R. Grace & Co.-Conn. | 1 |
Part of Massachusetts
1,476 patents · 253 inventors
Ranked #2,723 of 111,555 cities Top 3%
Showing 251–253 of 253 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| #169 | Albert J. Keyworth | — | 1 |
| #169 | James P. Unger | Marshall And Williams | 1 |
| #169 | David Purcell | W.R. Grace & Co.-Conn. | 1 |
Part of Massachusetts