Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169202 | Filter assembly | — | 2007-01-30 |
| 7150774 | Self-spacing pleated filter insert | John F. Reed | 2006-12-19 |
| 6955702 | Filter frame | Ben G. Rogowski, Thomas A. Tedham | 2005-10-18 |
| 6860916 | Filter assembly | Ben G. Rogowski, Thomas A. Tedham | 2005-03-01 |
| 6843820 | Filter assembly | — | 2005-01-18 |
| 6740137 | Collapsible pleated filter element | Allen J. Rivard | 2004-05-25 |
| 6110260 | Filter having a change indicator | — | 2000-08-29 |
| D357358 | Packaged unit for brushes | Barbara K. Schmotter | 1995-04-18 |
| D357243 | Packaged unit for brushes | Barbara K. Schmotter | 1995-04-11 |