Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6470525 | Drain cleaning apparatus having remote power feed | — | 2002-10-29 |
| 6343398 | Drain cleaning apparatus with feed control | Edward Thomas Gaworski, Jr., Paul Korvick, Norman J. Borgo | 2002-02-05 |