Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6174600 | Bristles employing particulates and brushes including same | James Michael Brown, David Prawdzik, Joseph M. Collins | 2001-01-16 |
| 5968638 | Hollow filament with crimp for use in spiral binding | James Michael Brown, David Prawdzik | 1999-10-19 |