Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465401 | Minimizing subsidence effects during production of coal in situ | Vesper A. Vaseen, Xerxes T. Stoddard | 1984-08-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4465401 | Minimizing subsidence effects during production of coal in situ | Vesper A. Vaseen, Xerxes T. Stoddard | 1984-08-14 |