Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9792804 | System and method of monitoring an electronic discharge device in an air purification system | Kanghong Zhang, Robert Culbert, Richard Mueller | 2017-10-17 |
| 9588188 | System and method of monitoring an electronic discharge device in an air purfication system | Kanghong Zhang, Robert Culbert, Richard Mueller | 2017-03-07 |