Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8167141 | Gravity flow filter | Elizabeth Knipmeyer, Roger P. Reid, Bruce D. Saaski | 2012-05-01 |
| 7309418 | Water contaminant indicators | Patrick Joyce, Edward B. Rinker | 2007-12-18 |