Top Inventors at Poco Graphite All Time
Showing 1–13 of 13 inventors
| Rank | Name | Patents |
|---|---|---|
| 1 | Rex Gerald Sheppard | 4 |
| 2 | Elmer Christian Pennewaard | 3 |
| 2 | Giuseppe Isalberti | 3 |
| #4 | David F. Dingus | 2 |
| #4 | Donald J. Bray | 2 |
| #4 | Leland A. Hardcastle | 2 |
| #4 | Ronald E. Plummer | 2 |
| #4 | Thomas Uhl | 2 |
| #4 | Abuagela H. Rashed | 2 |
| #10 | David J. Lang | 1 |
| #10 | Larry S. Wingo | 1 |
| #10 | Nicu Lepadatu | 1 |
| #10 | Wayne Hambek | 1 |