| Patents Granted on 1879-12-30 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 223,094 | Dec. 30, 1879 | J.P. Barnard | Improvement in dogs for saw-mill head-blocks | sawmill dogs |
| 223,099 | Dec. 30, 1879 | A.B. Bean | Engine Lathe | engine lathes |
| 223,119 | Dec. 30, 1879 | J.S. Detrick | Belt Gearing and Shifting Mechanism for Applying Driving Power with Varying Speed | industrial machine speed and direction changing mechanisms |
| 223,146 | Dec. 30, 1879 | R.E. Kidder | Tool-Handle | tool handles |
| 223,168 | Dec. 30, 1879 | N. Remmel, M. Remmel | Improvement in drilling-machines | drill presses |
| 223,208 | Dec. 30, 1879 | C. Disston | Attachment for Billard Table | |
