| 6227888 |
Interchangeable plug device |
— |
2001-05-08 |
| 6230029 |
Modular wireless headset system |
Genrik Yegiazaryan, Sung Kee Baek, David S. Hishinuma, Robert Jetter |
2001-05-08 |
| 6078825 |
Modular wireless headset system for hands free talking |
Genrik Yegiazaryan, Sung Kee Baek, David S. Hishinuma, Robert Jetter |
2000-06-20 |
| 6027828 |
Modular stackable battery pack and accessories |
— |
2000-02-22 |
| 5973948 |
Universal linear power supply |
Sung Kee Baek |
1999-10-26 |
| 5847541 |
Universally interchangeable and modular power supply with integrated battery charger |
— |
1998-12-08 |
| 5684689 |
Interchangeable plug power supply with automatically adjusting input voltage receiving mechanism |
— |
1997-11-04 |
| D382540 |
Interchangeable plug device |
— |
1997-08-19 |
| 5659236 |
Battery charger with collapsible battery positioning and support apparatus |
— |
1997-08-19 |
| D381314 |
Interchangeable plug device |
— |
1997-07-22 |
| 5648712 |
Universally interchangeable and modular power supply with integrated battery charger |
— |
1997-07-15 |
| 5634806 |
Interchangeable collapsible plug device for battery charger |
— |
1997-06-03 |
| 5628641 |
Collapsible plug device for battery charger |
— |
1997-05-13 |
| 5626496 |
Cigarette lighter adapter with flexible diameter |
— |
1997-05-06 |
| D379003 |
Interchangeable plug device |
— |
1997-04-29 |
| 5611701 |
Collapsible prong plug device for battery charger |
— |
1997-03-18 |
| D378291 |
Interchangeable plug device |
— |
1997-03-04 |
| D378290 |
Interchangeable plug device |
— |
1997-03-04 |
| 5568365 |
High output, compact power supply |
Sung Kee Baek |
1996-10-22 |
| 5507667 |
Power cord securing and storage device |
Sung-Keun Kim |
1996-04-16 |