Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192204 | Workbook with movable colored clips | Natan Kogan | 2012-06-05 |
| 6402522 | Workbook with movable colored tabs | Natan Kogan | 2002-06-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8192204 | Workbook with movable colored clips | Natan Kogan | 2012-06-05 |
| 6402522 | Workbook with movable colored tabs | Natan Kogan | 2002-06-11 |