Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11313212 | Pre-hydration of friction reducers for wellbore fluids | Karl H. Hoffman, Chunli Li, Liang Xu | 2022-04-26 |
| 7583320 | Digital image display system | — | 2009-09-01 |
| D503706 | Video player adapter for portable handheld devices | — | 2005-04-05 |
| 5011782 | Method of making passivated antireflective coating for photovoltaic cell | Walter R. Lamb | 1991-04-30 |