Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674616 | Glass beads having improved fracture toughness | — | 1997-10-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674616 | Glass beads having improved fracture toughness | — | 1997-10-07 |