Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7177434 | Stepped sound producing module | — | 2007-02-13 |
| 6821183 | Current controller for an embedded electronic module | John Blackman | 2004-11-23 |
| 6632120 | Balloon and method of connecting objects to one of two sheets forming the balloon | John Blackman | 2003-10-14 |