Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931211 | Process of expanding obsidian | William J. Johnson | 1990-06-05 |
| H690 | Device to allow for expansion of nuclear fuel assemblies | — | 1989-10-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931211 | Process of expanding obsidian | William J. Johnson | 1990-06-05 |
| H690 | Device to allow for expansion of nuclear fuel assemblies | — | 1989-10-03 |