Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614558 | Engraver and method for focusing and measuring areas on a workpiece engraved by the engraver | Michael Duane Christopher, David R. Setiz, Eric J. Serenius, Wei Zhao | 2003-09-02 |