Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650320 | Digital pen using visible image and autocorrelation of substrate pattern | — | 2003-11-18 |
| 6592039 | Digital pen using interferometry for relative and absolute pen position | Barton A. Smith | 2003-07-15 |
| 6593912 | Electro-mechanical transducer for six degrees of freedom input and output | Barton A. Smith | 2003-07-15 |
| 6542717 | System and method for optimizing personal area network (PAN) electrostatic communication | Richard C. Allen, David Lu, Florian Vogt | 2003-04-01 |