Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335285 | Earphone-type speaker assembly | — | 1994-08-02 |
| 4378940 | Electronic device for playing bingo, lotto and allied card games | Benjamin Poku | 1983-04-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5335285 | Earphone-type speaker assembly | — | 1994-08-02 |
| 4378940 | Electronic device for playing bingo, lotto and allied card games | Benjamin Poku | 1983-04-05 |