Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5641342 | Interlock between cells of an electronic air cleaner | Ronald R. Smith | 1997-06-24 |
| 5628818 | Electronic air cleaner cell containment structure | Ronald R. Smith | 1997-05-13 |