Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8978710 | Pneumatic insulating device | Matthew Stubbs | 2015-03-17 |
| 8618413 | Power cable | Jonathan Catchpole, Stewart Toplis | 2013-12-31 |
| 6011545 | Multi-panel digitizer | Phillip L. Henderson | 2000-01-04 |
| 5737740 | Apparatus and method for processing electronic documents | Phillip L. Henderson | 1998-04-07 |
| 5684692 | Multipaneled digitizer | Kevin M. Williams, Claude W. LeBlond, Phillip L. Henderson, Joseph Rovito | 1997-11-04 |