Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697173 | White reference calibration in a dual digitizer | Richard Lehman | 2004-02-24 |
| 6687025 | Digitizer with masking apparatus | Richard Lehman | 2004-02-03 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6697173 | White reference calibration in a dual digitizer | Richard Lehman | 2004-02-24 |
| 6687025 | Digitizer with masking apparatus | Richard Lehman | 2004-02-03 |