| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Brazil | 2 | |
| #3 | Canada | 2 | |
| #4 | EPO (European Patent Office) | 2 | |
| #5 | Australia | 1 | |
| #6 | China | 1 | |
| #7 | Mexico | 1 | |
| #8 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Computer technology | |
| #2 | Control | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Electric digital data processing | |
| #2 | Unspecified technologies | |
| #3 | Teaching materials |
| # | Name | Total Patents |
|---|---|---|
| #1 | Iggulden Jerry | 14 |
| #2 | Husa Christopher J | 8 |
| #3 | Davidson Ben | 6 |
| Publication | Filing date | Title |
|---|---|---|
| US6549750B1 | Printed book augmented with an electronically stored glossary | |
| US6269238B1 | Printed book augmented with associated electronic data | |
| US5957697A | Printed book augmented with an electronic virtual book and associated electronic data | |
| US5946676A | Information delivery system | |
| US5954515A | Printed book augmented with associated electronic data |