Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6318008 | Packet ironing system for document folders | Warren S. Funk, Christopher K. Cleal | 2001-11-20 |
| 6011545 | Multi-panel digitizer | David John Porter | 2000-01-04 |
| 5897648 | Apparatus and method for editing electronic documents | — | 1999-04-27 |
| 5737740 | Apparatus and method for processing electronic documents | David John Porter | 1998-04-07 |
| 5684692 | Multipaneled digitizer | Kevin M. Williams, Claude W. LeBlond, David John Porter, Joseph Rovito | 1997-11-04 |