| All Patents in class 409/50 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 29,227 | Jul. 17, 1860 | A. Wild | Watchmakers Lathe | watchmakers lathes |
| 56,149 | Jul. 03, 1866 | E. Parker | Gear Cutter | gear making machines |
| 198,309 | Dec. 18, 1877 | W.L. Morris | Improvement in machines for cutting wooden cogs | specialty woodworking machines |
| 319,072 | Jun. 02, 1885 | J. Cook | Watchmakers Wheel Cutting Engine | watchmaking machinery |
| 320,179 | Jun. 16, 1885 | H. Schulze-Berge | Gear Cutter | gear making machines |
| 492,966 | Mar. 07, 1893 | G.H. Nutt | Machine for Cutting Worms for Gearing | milling machines |
| 799,587 | Sep. 12, 1905 | O.J. Beale | Rack-Cutting Machine | |
| 1,001,008 | Aug. 22, 1911 | N.H. Fay | Feeding Blanks to Rack Cutting Machines | gear making machines |
