| All Patents in class 74/409 |
Patents 16 -
30
of 32
      |
| Number | Date | Patentee | Title | Type |
| 2,896,465 | Jul. 28, 1959 | J.N. Flannery, J.B. Armitage | Backlash Eliminator | milling machines |
| 2,916,931 | Dec. 15, 1959 | F.W. Cunningham | Motor Control System for Automatic Machine Tools | numerically controlled lathes |
| 2,946,232 | Jul. 26, 1960 | G.H. Jones | Gear Drive | metalworking machine gearing |
| 2,949,796 | Aug. 23, 1960 | R.J. Rabel, A.F. Frederick | Indexing Mechanism | indexers and dividers |
| 2,959,976 | Nov. 15, 1960 | F. Zankl | Backlash Eliminator | metalworking machine mechanisms |
| 3,009,366 | Nov. 21, 1961 | C.T. Roberts | Gearhead | industrial machine gearing |
| 3,011,358 | Dec. 05, 1961 | M.B. Moore | Gearhead | industrial machine gearing |
| 3,031,897 | May 01, 1962 | W.B. Seidel | Machine Tool Anti-Backlash Motion Transmitting Mechanism | metalworking machine mechanisms |
| 3,034,265 | May 15, 1962 | J. Decker | Grinding Machine Rapid Advance Motor | grinding attachments |
| 3,121,340 | Feb. 18, 1964 | M.L. Anthony | Resilient Nut for Averaging Out Lead Screw Error | metalworking machine mechanisms |
| 3,151,494 | Oct. 06, 1964 | R.K. Sedgwick | Backlash Eliminator | rotary tables |
| 3,220,276 | Nov. 30, 1965 | E.C. Bruns | Position Analog Unit for Automatic Controls | machine tool controls |
| 3,316,772 | May 02, 1967 | G.H. Jones | Multiple Pinion Wound Up Power Drive | horizontal boring mills |
| 3,370,478 | Feb. 27, 1968 | L.D. Martin | Gear train error compensator for dial indicators and the like | |
| 3,468,179 | Sep. 23, 1969 | J.J. Hughes, R.K. Sedgwick | Recirculating ball worm drive | metalworking power transmission |
