Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292690 | Glass composition for glass bubbles with increased compressive strength | Yoshifumi Sato | 1994-03-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5292690 | Glass composition for glass bubbles with increased compressive strength | Yoshifumi Sato | 1994-03-08 |