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, Melissa A. Checky, Denise L. Goddard | 2017-09-05 |
| 9358494 | End of service life indicating systems for layered filter cartridges | Kevin A. Frankel | 2016-06-07 |
| 7393557 | Flexible electrically conductive film | Robert J. Fleming, Christopher S. Lyons, Clark I. Bright, Edward J. Anderson, Brian L. Koster | 2008-07-01 |
| 6933051 | Flexible electrically conductive film | Robert J. Fleming, Christopher S. Lyons, Clark I. Bright, Edward J. Anderson, Brian L. Koster | 2005-08-23 |