
Sinh N. Tran
Supervisory Patent Examiner (ID: 6797, Phone: (571)272-7564 , Office: P/2661 )
| Most Active Art Unit | |
| Art Unit(s) | |
| Total Applications | |
| Issued Applications | |
| Pending Applications | |
| Abandoned Applications |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
| 08/143290 | Snap-in attachment for ear defender cup | Oct 25, 1993 | Issued |
| 08/136856 | Surface-laminated piezoelectric-film sound transducer | Oct 17, 1993 | Issued |
| 08/136334 | Loudspeaker apparatus | Oct 12, 1993 | Issued |
| 08/132652 | Variable geometry electromagnetic transducer | Oct 5, 1993 | Issued |
| 08/129830 | ACOUSTICAL SPEAKER COVER | Sep 29, 1993 | Abandoned |
| 08/128552 | SPEAKER DESIGN WITH ATTENUATED REFLECTION | Sep 28, 1993 | Abandoned |
| 08/127085 | LEVEL DETECTING CIRCUIT | Sep 23, 1993 | Abandoned |
| 08/122902 | LOUDSPEAKER | Sep 15, 1993 | Abandoned |
| 08/064048 | Loudspeaker with a coated voice coil | Sep 6, 1993 | Issued |
| 08/114167 | INTEGRATED CAPACITIVE TRANSDUCER | Aug 31, 1993 | Abandoned |
| 08/114898 | RECEIVER FOR A HEARING AID | Aug 31, 1993 | Abandoned |
| 08/112278 | In the canal hearing aid with protruding shell portion | Aug 26, 1993 | Issued |
| 08/110918 | THROAT DEVICE INTERCONNECTING A PLURALITY OF DRIVE UNITS AND A HORN | Aug 23, 1993 | Abandoned |
| 08/108092 | Amplifier-speaker interface correction circuit | Aug 16, 1993 | Issued |
| 08/078220 | RADIO-BASED HEARING AID SYSTEM | Aug 12, 1993 | Pending |
| 08/105013 | Locking device for a hearing aid battery chamber | Aug 9, 1993 | Issued |
| 08/104446 | Low and high quality entertainment system for playing low and high quality communication media for an automobile | Aug 9, 1993 | Issued |
| 08/102364 | PROGRAMMABLE DIGITAL HEARING AID | Aug 4, 1993 | Abandoned |
| 08/102378 | LOUDSPEAKER DIAPHRAGM ATTACHING | Aug 4, 1993 | Abandoned |
| 08/101048 | SOUND OUTPUT SYSTEM | Aug 2, 1993 | Abandoned |