| All Patents in class 74/333 |
Patents 1 -
10
of 194
      |
| Picture | Number | Date | Patentee | Title |
 | 134,237 | Dec. 24, 1872 | C.H. Amidon | Improvement in drills |
 | 246,710 | Sep. 06, 1881 | G.W. Bean | Back-gear clutch for upright drills |
| | 314,433 | Mar. 24, 1885 | E.S. Cobb | Lathe |
 | 321,196 | Jun. 30, 1885 | U. Eberhardt, H.E. Eberhardt | Drilling-Machine |
 | 341,207 | May 04, 1886 | J.R. Back | Metal-turning lathe |
| | 375,032 | Dec. 20, 1887 | C.H. Weston | Lock for Lathe Head Stocks |
| | 379,313 | Mar. 13, 1888 | W.S. Rogers, W.C. Jones | Lathe |
| | 407,339 | Jul. 23, 1889 | U. Eberhardt, H.E. Eberhardt | Drilling Machine |
 | 427,325 | May 06, 1890 | J.E. Hitch, F. Mill, C.H. Irwin | Boring-machine |
| | 458,423 | Aug. 25, 1891 | M.C. Johnson | Lathe Head |
