Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ming Zheng | E.I. Du Pont De Nemours And | 4 |
| 2 | Arthur Derrick Bray Graham | Long Pipes Usa | 2 |
Part of California
6 patents · 2 inventors
Ranked #12,127 of 43,797 cities Top 30%
Showing 1–2 of 2 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ming Zheng | E.I. Du Pont De Nemours And | 4 |
| 2 | Arthur Derrick Bray Graham | Long Pipes Usa | 2 |
Part of California