Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8436808 | Processing signals to determine spatial positions | Christopher Chapman, Anthony Richard Hardie-Bick | 2013-05-07 |
| 7554045 | Linear pressure sensor | Stuart Mark Walkington | 2009-06-30 |
| 7377133 | Knitted sensor | John Burkitt, Stuart Mark Walkington, Phillipe Georges Crispin | 2008-05-27 |
| 7348506 | Linear pressure sensor | Stuart Mark Walkington | 2008-03-25 |
| 7213991 | Flexible foldable keyboard | Christopher Chapman, Stuart Mark Walkington, Timothy Charles Andrew Fitzgerald | 2007-05-08 |
| 7161084 | Detector constructed from electrically conducting fabric | — | 2007-01-09 |
| 7102614 | Manual input apparatus for a handheld device | Stuart Mark Walkington, Christopher Chapman | 2006-09-05 |
| 6947031 | Data processing apparatus with replacement keyboard | Christopher Chapman | 2005-09-20 |
| 6891527 | Processing signals to determine spatial positions | Christopher Chapman, Anthony Richard Hardie-Bick | 2005-05-10 |
| 6861961 | Foldable alpha numeric keyboard | Christopher Chapman | 2005-03-01 |
| 6758615 | Pressure sensitive functionality for keyboard keys | Patrick Monney, Jean-Marc Flueckiger, Denis Pavillard | 2004-07-06 |
| 6714117 | Detector constructed from fabric | — | 2004-03-30 |
| 6639162 | Input device | Christopher Chapman, Stuart Mark Walkington, John Burkitt, Andrew Deakin | 2003-10-28 |
| 6585162 | Flexible data input device | Christopher Chapman, Stuart Mark Walkington | 2003-07-01 |
| 6504531 | Detecting mechanical interactions | — | 2003-01-07 |
| 6501465 | Detector constructed from fabric using measured current to determine pressure | — | 2002-12-31 |
| 6492980 | Multiplexing detector constructed from fabric | — | 2002-12-10 |
| 6452479 | Detector contructed from fabric | — | 2002-09-17 |
| 6437258 | Detector constructed from fabric having planes with differing conductance | — | 2002-08-20 |
| 6369804 | Detector constructed from fabric having non-uniform conductivity | — | 2002-04-09 |
| 6333736 | Detector constructed from fabric | — | 2001-12-25 |
| 6185761 | Apparatus for raising a person | Christopher Chapman | 2001-02-13 |
| 5493320 | Ink jet printing nozzle array bonded to a polymer ink barrier layer | Lawrence Russell Steward, Charles S. Whitman, Gary R. Williams, John Dennis Zbrozek | 1996-02-20 |