| All Patents in class 74/822 |
Patents 31 -
45
of 68
      |
| Number | Date | Patentee | Title | Type |
| 1,938,770 | Dec. 12, 1933 | W.D. Archea | Milling Machine | milling machines |
| 1,942,927 | Jan. 09, 1934 | C.O. Holland, A.M. Johnson | Hydraulically actuated indexing mechanism | indexers and dividers |
| 1,967,689 | Jul. 24, 1934 | A.M. Sosa, L.L. Schauer | Cam Controlled Mutispindle Machine | multiple spindle drill presses |
| 1,994,221 | Mar. 12, 1935 | J.B. Armitage, E.J. Kearney | Machine Tool and Attachment | milling machine accessories |
| 2,033,686 | Mar. 10, 1936 | F.M. Davis | Multiple operation machine | workpiece changers and storage mechanisms |
| 2,086,848 | Jul. 13, 1937 | E.P. Bullard | Lock Pin Assembly | |
| 2,114,284 | Apr. 19, 1938 | H. Barnes (executrix), E.J. Svenson, P.R. Guirl, J.S. Barnes (deceased, estate of) | Machine Tool and Control Therefor | machine tool controls |
| 2,138,522 | Nov. 29, 1938 | W.F. Groene, W.R. Meyer | Four-spindle drum type crankshaft lathe | crankshaft lathes |
| 2,188,996 | Feb. 06, 1940 | L.O. Carlsen | Indexing mechanism | gear making machines |
| 2,330,968 | Oct. 05, 1943 | H.J. Siekmann, W.F. Groene | Multiple Spindle Broaching Lathe Indexing Mechanism | metalworking machine mechanisms |
| 2,384,809 | Sep. 18, 1945 | E.P. Bullard, L.E. Alvey, E.N. Cowell, P.H. Lange, F.H. Mussler | Machine Tool | |
| 2,392,964 | Jan. 15, 1946 | T.F. Eserkaln, J.B. Armitage | Automatic Indexing Mechanism | indexers and dividers |
| 2,407,970 | Sep. 24, 1946 | J.J. Lenert, W.K. Andrew | Work Indexing Mechanism | indexers and dividers |
| 2,453,600 | Nov. 09, 1948 | H.R. Soden | Indexing Mechanism | indexers and dividers |
| 2,454,591 | Nov. 23, 1948 | J.L. King, S.G. Brady | Indexing Mechanism | indexers and dividers |
