Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751038 | End of service life indicating systems for layered filter cartridges | Kevin A. Frankel, J. Christopher Thomas, Maria L. Zelinsky, Denise L. Goddard | 2017-09-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9751038 | End of service life indicating systems for layered filter cartridges | Kevin A. Frankel, J. Christopher Thomas, Maria L. Zelinsky, Denise L. Goddard | 2017-09-05 |