Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8714166 | Method and apparatus for showerhead cleaning | Joseph F. Sommers, Jiansheng Wang, David Do, Ronald Trahan | 2014-05-06 |
| 8372211 | Method and apparatus for showerhead cleaning | Joseph F. Sommers, Jiansheng Wang, David Do, Ronald Trahan | 2013-02-12 |