| All Patents in class 470/181 |
Patents 46 -
60
of 60
      |
| Number | Date | Patentee | Title | Type |
| 2,257,364 | Sep. 30, 1941 | H.F. Bakewell | Machine tool | tapping machines |
| 2,268,944 | Jan. 06, 1942 | G.W. Jones | Threading Mechanism | automatic lathes |
| 2,279,462 | Apr. 14, 1942 | R.T. Brokaw, C.O. Holland, E.F. Lundeen | Combined drilling and tapping machine | |
| 2,318,335 | May 04, 1943 | J.H. McKewen, L.L. Schauer | Spindle control for drilling and tapping machines | drill presses |
| 2,318,336 | May 04, 1943 | L.L. Schauer | Tapping machine | tapping machines |
| 2,323,488 | Jul. 06, 1943 | L.L. Schauer | Automatic reverse for tapping machines | tapping machines |
| 2,375,662 | May 08, 1945 | F. Mummert, H. Keeling | Automatic Tapping Attachment | tapping heads and chucks |
| 2,376,164 | May 15, 1945 | J.M. Ingalls, C.E. Miller | Precision Threading Attachment | automatic lathes |
| 2,481,383 | Sep. 06, 1949 | T. Foster, S.A. Brandenburg, C.A. Bickel | Machine tool | multiple spindle lathes |
| 2,600,779 | Jun. 17, 1952 | F.O. Wetzel, R.N. Knosp, C.E. Linden | Control mechanism for tapping machines | tapping machines |
| 2,602,347 | Jul. 08, 1952 | P.V. Miller | Thread Gauge Drive | thread gages |
| 2,614,446 | Oct. 21, 1952 | C.E. Miller | Multiple Spindle Lathe | multiple spindle lathes |
| 2,813,280 | Nov. 19, 1957 | L.B. Huffman | Machine tool for drilling and tapping holes | tapping machines |
| 2,845,639 | Aug. 05, 1958 | G. Tyson, W.H. Jorgensen | Control Apparatus for Drilling and Tapping Machine | tapping machines |
| 3,232,143 | Feb. 01, 1966 | W.D. Zettler, G.h. Schurger | Control for Machine Tools | machine tool controls |
