| All Patents in class 192/21 |
Patents 1 -
10
of 34
      |
| Picture | Number | Date | Patentee | Title |
 | 25,733 | Oct. 11, 1859 | J. Hendy | Double friction-coupling |
 | RE5,335 | Mar. 25, 1873 | J. Hendy | Double friction-coupling |
| | 302,841 | Jul. 29, 1884 | A.H. Hafley | Traction Engine |
| | 365,681 | Jun. 28, 1887 | W.S. Halsey | Lathe Head Stock |
 | 374,908 | Dec. 13, 1887 | W. Sellers, J.S. Bancroft | Planing Machine for Metals |
 | 421,517 | Feb. 18, 1890 | F.H. Richards | Drilling Machine |
| | 491,722 | Feb. 14, 1893 | W.J. Walsh | Apparatus for Reversing Motion |
| | 497,630 | May 16, 1893 | C.M. Conradson | Head Stock for Lathes |
 | 497,754 | May 16, 1893 | W. Lewis | Planing Machine for Metal |
| | 520,688 | May 29, 1894 | G.W. Kramer | Steering Gear for Traction Engines |
