
Leonard Chang
Supervisory Patent Examiner (ID: 254, Phone: (571)270-3691 , Office: P/4166 )
| Most Active Art Unit | 2812 |
| Art Unit(s) | 2898, 4121, 2812, 4100 |
| Total Applications | 320 |
| Issued Applications | 197 |
| Pending Applications | 1 |
| Abandoned Applications | 127 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
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