Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7174999 | Automatic wire lubricating device | Dennis Hartman | 2007-02-13 |
| 7143866 | Strand lubrication | Dennis Hartman | 2006-12-05 |
| 6725973 | Automatic wire lubricating device | Dennis Hartman | 2004-04-27 |