| Patents Granted on 1879-12-02 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 222,131 | Dec. 02, 1879 | J. Grzybowski | Coffee Roaster | coffee roasters |
| 222,161 | Dec. 02, 1879 | A.A. Smith | Button Lathe | button making machinery |
| 222,162 | Dec. 02, 1879 | C.M. Spencer | Improvement in cartridge-capping implements | cartridge tools |
| 222,178 | Dec. 02, 1879 | T.F. Carver | Improvement in machines for making metal screws | screw machines |
| 222,297 | Dec. 02, 1879 | J. Michels | Improvement in hoop sawing and finishing machines | hoop making machines |
| 222,304 | Dec. 02, 1879 | R.H. Osgood | Improvement in inserted saw-teeth | insertable saw teeth |
