Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225443 | Sintered-glass-granule filter medium | Robert H. Harris | 1980-09-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4225443 | Sintered-glass-granule filter medium | Robert H. Harris | 1980-09-30 |