Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10092870 | Filter assembly | David B. Sweet, Joseph A. Wells, Ying-Zhong Zhang, Donald F. Novak, Aaron Decker +1 more | 2018-10-09 |
| 8911206 | Brush-type seal for an air-handling unit | Lonnie R. Campbell, Joseph A. Wells, David B. Sweet | 2014-12-16 |
| 4876002 | Reverse osmosis water purificaiton unit | John D. Marshall | 1989-10-24 |
| 4839038 | Fluid strainer and flow corrector for fluid measurement device | — | 1989-06-13 |