Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250172 | Needled fiber mat containing granular agent | Arnold B. Mutzenberg | 1981-02-10 |
| 4197100 | Filtering member for filters | — | 1980-04-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4250172 | Needled fiber mat containing granular agent | Arnold B. Mutzenberg | 1981-02-10 |
| 4197100 | Filtering member for filters | — | 1980-04-08 |