Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8321780 | Advanced spreadsheet cell navigation | Martin Erwig, Andrew Yip | 2012-11-27 |
| 5899781 | Swim fin incorporating pronation compensation structure | — | 1999-05-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8321780 | Advanced spreadsheet cell navigation | Martin Erwig, Andrew Yip | 2012-11-27 |
| 5899781 | Swim fin incorporating pronation compensation structure | — | 1999-05-04 |