| All Patents in class 409/146 |
Patents 16 -
30
of 49
      |
| Number | Date | Patentee | Title | Type |
| 1,976,138 | Oct. 09, 1934 | L.F. Nenninger | Back Lash Compensator | metalworking machine mechanisms |
| 2,002,991 | May 28, 1935 | C.B. De Vlieg | Backlash remover | metalworking machine mechanisms |
| 2,052,648 | Sep. 01, 1936 | F.A. Parsons | Milling Machine Organization | milling machines |
| 2,059,091 | Oct. 27, 1936 | C.B. De Vlieg | Backlash compensator for machine tools | metalworking machine mechanisms |
| 2,070,807 | Feb. 16, 1937 | W.D. Archea, E.G. Roehm | Backlash Eliminator | milling machines |
| 2,070,808 | Feb. 16, 1937 | M. Romaine, E.G. Roehm, W.D. Archea | Milling Machine Transmission and Control Mechanism | machine tool controls |
| 2,124,852 | Jul. 26, 1938 | A.F. Bennett, B.P. Graves | Machine Tool | milling machines |
| 2,163,836 | Jun. 27, 1939 | F.S. Haas | Backlash-Eliminating Mechanism for Machine Tools | grinding machines |
| 2,181,516 | Nov. 28, 1939 | G.N. Levesque | Milling Machine | milling machines |
| 2,191,131 | Feb. 20, 1940 | M.E. Martellotti | Backlash Eliminator | metalworking machine mechanisms |
| 2,280,760 | Apr. 21, 1942 | M.E. Martellotti | Back Lash Eliminator for Machine Tools | metalworking machine mechanisms |
| 2,302,575 | Nov. 17, 1942 | E.G. Roehm, M. Romaine | Backlash Eliminator for Spindle Drives | metalworking machine mechanisms |
| 2,325,678 | Aug. 03, 1943 | M.P. Holmes | Backlash Take-up for Cross Feed Screw and Taper Attachments | metal lathe accessories and attachments |
| 2,337,223 | Dec. 21, 1943 | J.B. Armitage | Machine Tool Transmission and Control Mechanism | milling machines |
| 2,339,102 | Jan. 11, 1944 | F.A. Parsons | Transmission and Control Mechanism | milling machines |
