Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836917 | Replaceable head electric toothbrush and connection structure therefor | Lawrence A. Blaustein, John Osher, Douglas A. Gall, John Geoffrey Chan, Ping Wang | 2005-01-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6836917 | Replaceable head electric toothbrush and connection structure therefor | Lawrence A. Blaustein, John Osher, Douglas A. Gall, John Geoffrey Chan, Ping Wang | 2005-01-04 |