Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6131233 | Mop head | Kyung-Jack Hong | 2000-10-17 |
| 5304773 | Laser work station with optical sensor for calibration of guidance system | Friedrich Kilian, Joseph J. Troiani | 1994-04-19 |