Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746796 | Air filtration apparatus and filter cartridge retaining means therefor | Richard W. Ambs, Mary Reiner, John W. Pfeiffer | 1998-05-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746796 | Air filtration apparatus and filter cartridge retaining means therefor | Richard W. Ambs, Mary Reiner, John W. Pfeiffer | 1998-05-05 |