Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368041 | Drum elevator system | Charles Gary Atwell, Ricky N. Cooper, Martin T. Garthaffner, Andrew Gillespie, William H. Pettigrew +1 more | 2002-04-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6368041 | Drum elevator system | Charles Gary Atwell, Ricky N. Cooper, Martin T. Garthaffner, Andrew Gillespie, William H. Pettigrew +1 more | 2002-04-09 |