Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515992 | Method and apparatus for input of data | David Robert Weston, Andrew Johnson, Anthony Stephen Walton, David Alan Woodfield | 2003-02-04 |
| 6301243 | Method and apparatus for transmitting data | Andrew Johnson, David Robert Weston, David Alan Woodfield, Anthony Stephen Walton | 2001-10-09 |
| 6100823 | Single sensor position encoder providing two levels of resolution | — | 2000-08-08 |