| All Patents in class 409/219 |
Patents 31 -
45
of 60
      |
| Number | Date | Patentee | Title | Type |
| 1,835,328 | Dec. 08, 1931 | F.A. Parsons | Milling Machine Slide | milling machines |
| 1,840,051 | Jan. 05, 1932 | L.F. Nenninger | Milling Machine | milling machines |
| 1,847,446 | Mar. 01, 1932 | W.L. Schellenbach, A.E. Robinson | Metal Shaping Machine | metal shapers |
| 1,851,310 | Mar. 29, 1932 | W.C. Heath | Machine Tool | drill press accessories |
| 1,853,554 | Apr. 12, 1932 | A.A. Dennis | Veneer jointer | veneer machines |
| 1,936,384 | Nov. 21, 1933 | C.J. Davis | Metal working machinery | horizontal boring mills |
| 1,961,524 | Jun. 05, 1934 | L.F. Nenninger | Milling Machine | milling machines |
| 1,972,827 | Sep. 04, 1934 | L.F. Nenninger | Milling Machine Structure | milling machines |
| 1,975,947 | Oct. 09, 1934 | S. Einstein, H.R. Isler | Machine Tool | tool grinders |
| 1,986,006 | Jan. 01, 1935 | B.B. Quillen, G. Langen, R.H. McClellan | Machine Tool Construction | metal planers |
| 2,019,774 | Nov. 05, 1935 | R.M. Woytych | Carriage Support | metalworking machine mechanisms |
| 2,052,271 | Aug. 25, 1936 | W.D. Archea | Combined Milling and Boring Machine | horizontal boring mills |
| 2,155,680 | Apr. 25, 1939 | M. Pfauter | Rotary Table for Machine Tools | rotary indexers |
| 2,181,128 | Nov. 28, 1939 | F.W. Hack | Universal Machine Tool | metal lathes |
| 2,351,773 | Jun. 20, 1944 | H.J. Lovenston | Device for Determining Angles | grinding attachments |
