Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6402811 | Non-dusting sorbent material filter | Anthony E. Shanks, Richard R. Bahn, Edward L. Schwarz | 2002-06-11 |
| 6328776 | Air-purifying system | Anthony E. Shanks, Richard R. Bahn | 2001-12-11 |
| 6325835 | Air-purifying system blower module with exhaust chute | Anthony E. Shanks, Richard R. Bahn | 2001-12-04 |
| 6321637 | Low-profile air filter module | Anthony E. Shanks, Richard R. Bahn | 2001-11-27 |
| 6319307 | Commercial air filter assembly and filter assembly and filtration unit | Anthony E. Shanks, Richard R. Bahn | 2001-11-20 |