Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7018210 | Method and apparatus for teaching and learning reading | Mary Watanabe, Richard Woldenberg | 2006-03-28 |
| 6685477 | Method and apparatus for teaching and learning reading | Mary Watanabe | 2004-02-03 |
| 5672932 | Compact lamp assembly with tubular portions arranged in V-shaped configuration | — | 1997-09-30 |