Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9713411 | Surface-treatment apparatus and head unit | Joseph S. Gardner, Diane L. Dodson, David B. Rennecker, John R. Crossen | 2017-07-25 |
| 7409745 | Cleaning pad for vacuum cleaner | Diane L. Dodson, John R. Lackner | 2008-08-12 |