Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835424 | Marking substrates | Michael P. Secord, Richard C. Woudenberg | 2004-12-28 |
| 6835457 | Marking substrates | Michael P. Secord, Richard C. Woudenberg | 2004-12-28 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6835424 | Marking substrates | Michael P. Secord, Richard C. Woudenberg | 2004-12-28 |
| 6835457 | Marking substrates | Michael P. Secord, Richard C. Woudenberg | 2004-12-28 |