Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5064311 | Mine roof support structure and method | Raymond L. Wright | 1991-11-12 | $157,000 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 5064311 | Mine roof support structure and method | Raymond L. Wright | 1991-11-12 | $157,000 |