
Richard K. Chang
Examiner (ID: 481, Phone: (571)270-3368 , Office: P/2464 )
| Most Active Art Unit | 2464 |
| Art Unit(s) | 2663, 2616, 2464 |
| Total Applications | 302 |
| Issued Applications | 252 |
| Pending Applications | 10 |
| Abandoned Applications | 46 |
Applications
| Application number | Title of the application | Filing Date | Status |
|---|---|---|---|
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