Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D831910 | Dart having bristles and a scraper | Brian D. Antal | 2018-10-23 |
| 9862011 | Tube cleaning dart having blades | Brian D. Antal | 2018-01-09 |
| D807596 | Dart for cleaning tubes | Brian D. Antal | 2018-01-09 |
| D807597 | Dart having blades for cleaning tubes | Brian D. Antal | 2018-01-09 |