Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833015 | Multilayer foam glass with dense glass surface layer and method of producing same | Toshiharu Furuuchi, Makoto Nagano | 1989-05-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833015 | Multilayer foam glass with dense glass surface layer and method of producing same | Toshiharu Furuuchi, Makoto Nagano | 1989-05-23 |