| All Patents in class 409/56 |
Patents 1 -
10
of 31
      |
| Picture | Number | Date | Patentee | Title |
| | 23,484 | Apr. 05, 1859 | W. Obenchain | Machine for Making Wooden Patterns for Cog-Wheels, &c. |
| | 49,881 | Sep. 12, 1865 | C.R. James | Cutting Wooden Gearing |
| | 130,188 | Aug. 06, 1872 | R. Cairns | Improvement in Gear Cutting Machines |
| | 241,907 | May 24, 1881 | H.C. Barnes | Lathe Attachment |
 | 255,409 | Mar. 28, 1882 | A.H. Brainard | Gear-cutting machine |
| | 282,059 | Jul. 31, 1883 | C.W. Crary | Gear Cutter |
 | 363,000 | May 17, 1887 | E. Rivett | Watch-maker's lathe |
 | 389,905 | Sep. 25, 1888 | E. Rivett | Gear-shaping attachment for watch-makers' lathes |
| | 414,803 | Nov. 12, 1889 | J.C. Fowler | Machine for Cutting Lobed Gears |
 | 431,139 | Jul. 01, 1890 | W. Curtiss | Machine for dressing the teeth of gear-wheels |
