Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413004 | Method and apparatus for sampling coal | George F. Johnson, Jr. | 1995-05-09 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5413004 | Method and apparatus for sampling coal | George F. Johnson, Jr. | 1995-05-09 |