| All Patents in class 409 |
Patents 1756 -
1770
of 3021
      |
| Number | Date | Patentee | Title | Type |
| 1,969,063 | Aug. 07, 1934 | H. Ernst, H.R. Isler | Grinding Machine | grinding machines |
| 1,969,231 | Aug. 07, 1934 | F.A. Hassman, L.F. Nenninger | Automatic Milling Machine | milling machines |
| 1,969,393 | Aug. 07, 1934 | J.B. Armitage | Milling Machine Transmission and Control Mechanism | milling machines |
| 1,969,791 | Aug. 14, 1934 | G.H. Schurger, K.F. Gallimore | Horizontal Boring Machine | horizontal boring mills |
| 1,970,016 | Aug. 14, 1934 | H.E. Morton | Tool Holder | metal shaper tool holders |
| 1,972,633 | Sep. 04, 1934 | W.F. Smith | Milling Machine | milling machines |
| 1,972,818 | Sep. 04, 1934 | E.G. Roehm, M. Romaine | Milling Machine | milling machines |
| 1,972,823 | Sep. 04, 1934 | W.D. Archea | Gear Cutting Machine | gear making machines |
| 1,972,827 | Sep. 04, 1934 | L.F. Nenninger | Milling Machine Structure | milling machines |
| 1,972,828 | Sep. 04, 1934 | L.F. Nenninger | Milling Machine | milling machines |
| 1,975,912 | Oct. 09, 1934 | E.D. Vancil | Machine Tool | milling machines |
| 1,975,947 | Oct. 09, 1934 | S. Einstein, H.R. Isler | Machine Tool | tool grinders |
| 1,976,103 | Oct. 09, 1934 | W.D. Archea | Milling Machinery | milling machines |
| 1,976,104 | Oct. 09, 1934 | W.D. Archea | Milling Machinery | milling machines |
| 1,976,105 | Oct. 09, 1934 | W.D. Archea | Milling Machine | milling machines |
