| All Patents in class 74/815 |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 469,377 | Feb. 23, 1892 | I.P. Richards | Rotary Tool Holder for Lathes | lathe tool holders and tool posts |
| 531,817 | Jan. 01, 1895 | H.C. Warren | Precision-index | indexers and dividers |
| 1,426,778 | Aug. 22, 1922 | W.A. Salter | Multiple Turret Tool Holder | lathe tool holders and tool posts |
| 1,474,438 | Nov. 20, 1923 | E.A. Muller | Turret Head for Machine Tools | vertical turret lathes |
| 1,750,746 | Mar. 18, 1930 | H. Deutsch | Machine Tool Work Holder | metalworking machine tool holders |
| 2,086,849 | Jul. 13, 1937 | E.P. Bullard, E.H. Johnson | Carrier Mechanism | |
| 2,339,864 | Jan. 25, 1944 | H.A. Krueger | Dividing Head | indexers and dividers |
| 2,341,383 | Feb. 08, 1944 | W.J. Johnson | Precision Boring Machine | horizontal boring mills |
| 2,342,539 | Feb. 22, 1944 | G. Gorton | Indexing or Positioning Head | indexers and dividers |
| 2,357,329 | Sep. 05, 1944 | J.R. Hansen | Dividing Head | indexers and dividers |
| 2,373,578 | Apr. 10, 1945 | W.W. Lewis | Dividing Head | indexers and dividers |
| 2,386,880 | Oct. 16, 1945 | J.J. Osplack | Indexing fixture for machine tools | indexers and dividers |
| 2,440,916 | May 04, 1948 | J.W. Durkee, J.M. Rusnak | Precision Measuring and Postioning Device | measuring tools |
| 2,565,787 | Aug. 28, 1951 | A.S. Tennant | Dividing Attachment for Lathes | metal lathe accessories and attachments |
| 2,633,777 | Apr. 07, 1953 | J.H. Hoern | Indexing mechanism for station type machines | vertical boring mills |
