Group 2870 - Optics / Photocopying
| Art Unit | Examiners Evaluated | Applications Evaluated | Grants Observed |
|---|---|---|---|
| 2871 | 45 | 24,414 | 17,224 |
| 2872 | 111 | 44,211 | 31,704 |
| 2873 | 24 | 4,871 | 3,967 |
| 2874 | 45 | 17,648 | 13,499 |
| 2875 | 80 | 36,407 | 26,146 |
| 2876 | 33 | 15,077 | 11,479 |
| 2877 | 72 | 13,417 | 9,682 |
| 2878 | 33 | 11,978 | 9,008 |
| 2879 | 23 | 9,716 | 7,109 |