Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964992 | Method of making membrane-type filter and product thereof | George P. Grundelman | 1990-10-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4964992 | Method of making membrane-type filter and product thereof | George P. Grundelman | 1990-10-23 |