| All Patents in class 82/140 |
Patents 46 -
60
of 66
      |
| Number | Date | Patentee | Title | Type |
| 706,665 | Aug. 12, 1902 | W.T. Johnson | Engine Lathe | metal lathes |
| 818,632 | Apr. 24, 1906 | C.F. Laur | Variable Speed Mechanism | metalworking speed changing mechanisms |
| 912,609 | Feb. 16, 1909 | J.R. Perrine | Lathe-feed mechanism | engine lathes |
| 1,179,362 | Apr. 11, 1916 | S.W. Sparks | Lathe Mechanism | engine lathes |
| 1,238,934 | Sep. 04, 1917 | C.G. Olson | Lathe | metal lathes |
| 1,250,572 | Dec. 18, 1917 | E. Feilhauer | Lathe | metal lathes |
| 1,262,192 | Apr. 09, 1918 | E.C. Head | Method of Producing Gears | gear making machines |
| 1,280,215 | Oct. 01, 1918 | F. Hardinge | Quick change swing precision lathe | metal lathes |
| 1,285,694 | Nov. 26, 1918 | F. Hardinge | Carriage feed mechanism for lathes | metal lathes |
| 1,686,240 | Oct. 02, 1928 | D.C. Klausmeyer | Multiple-lever twenty-four-speed mechanism | tapping machines |
| 1,686,383 | Oct. 02, 1928 | D.C. Klausmeyer | Cam Controlled Twenty-Four Speed Mechanism | metalworking speed changing mechanisms |
| 1,880,939 | Oct. 04, 1932 | A.N. Emmons | Lathe | wood lathes |
| 1,961,090 | May 29, 1934 | A. Schinkez, E.R. Smith | Electrically Controlled Speed Coordinating Mechanism | machine tool controls |
| 1,982,612 | Nov. 27, 1934 | W.G. Hoelscher | Feed box transmission | metal lathes |
| 2,009,726 | Jul. 30, 1935 | C. Bouillon | Change Gear Attachment for Machines | metal lathe accessories and attachments |
