Issued Patents All Time
Showing 1–2 of 2 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 Flannery, Eric J. Serenius, Wei Zhao | 2003-09-02 |
| 5737090 | System and method for focusing, imaging and measuring areas on a workpiece engraved by an engraver | Michael Duane Christopher, David Flannery, Eric J. Serenius, Wei Zhao | 1998-04-07 |