Group 2880 - Optics / Photocopying
| Art Unit | Examiners Evaluated | Applications Evaluated | Grants Observed |
|---|---|---|---|
| 2881 | 36 | 15,298 | 11,538 |
| 2882 | 34 | 16,035 | 12,582 |
| 2883 | 30 | 11,407 | 8,909 |
| 2884 | 54 | 22,973 | 18,054 |
| 2885 | 25 | 5,504 | 3,153 |
| 2886 | 21 | 11,350 | 9,311 |
| 2887 | 20 | 10,075 | 7,781 |
| 2889 | 22 | 4,614 | 2,835 |