Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104048 | Access door for coal crusher feed chute | Durel B. Shrum, Kelly Michael Smith | 1992-04-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5104048 | Access door for coal crusher feed chute | Durel B. Shrum, Kelly Michael Smith | 1992-04-14 |