Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617122 | Crimp seal pleated filter assembly | Barbara Kruse, Donald D. Gronholz | 1986-10-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617122 | Crimp seal pleated filter assembly | Barbara Kruse, Donald D. Gronholz | 1986-10-14 |