Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975395 | Substituted silicon nitride material and method of production thereof | Roland John Lumby | 1990-12-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975395 | Substituted silicon nitride material and method of production thereof | Roland John Lumby | 1990-12-04 |