Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614421 | Keyboard having buttons positioned for operation by heel of hand | Edwin Joseph Selker, Todd C. Wyant | 2003-09-02 |
| 6592039 | Digital pen using interferometry for relative and absolute pen position | Thomas G. Zimmerman | 2003-07-15 |
| 6593912 | Electro-mechanical transducer for six degrees of freedom input and output | Thomas G. Zimmerman | 2003-07-15 |