Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9661964 | Portable surface cleaning apparatus | Wayne Ernest Conrad, Jason B. Thorne, Amy M. Kwok | 2017-05-30 |
| 9627897 | String current limited battery charging control | Jiucai Zhang, Charles Clarence Hicks, Jr., Robert August Kaucic, Leng Mao | 2017-04-18 |
| 9565981 | Portable surface cleaning apparatus | Wayne Ernest Conrad, Jason B. Thorne, Amy M. Kwok | 2017-02-14 |