Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11148080 | Water filter purge indication | Melissa M. Bippus, Ronald W. Guess, Li Y. Situ, Keith A. Snyder, Dennis J. Staley | 2021-10-19 |
| 10434443 | Water filter purge indication | Melissa M. Bippus, Ronald W. Guess, Li Y. Situ, Keith A. Snyder, Dennis J. Staley | 2019-10-08 |
| 9366474 | Water filtration purge indication | Ronald W. Guess, Melissa M. Bippus, Dennis J. Staley, Keith A. Snyder, Li Y. Situ | 2016-06-14 |