Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647093 | Sweeper with dual seal filter | Robert D. Hennessey, Timothy G. LaRocque, Terence A. Peterson | 1997-07-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5647093 | Sweeper with dual seal filter | Robert D. Hennessey, Timothy G. LaRocque, Terence A. Peterson | 1997-07-15 |