| All Patents in class 409/225 |
Patents 16 -
30
of 39
      |
| Number | Date | Patentee | Title | Type |
| 1,881,185 | Oct. 04, 1932 | R.T. Hazelton | Hydraulic hold-down | metal shearing machines |
| 1,925,384 | Sep. 05, 1933 | J.H. Hoern | Ring Resawing Machine | metal cutting circular saws |
| 1,938,770 | Dec. 12, 1933 | W.D. Archea | Milling Machine | milling machines |
| 1,965,210 | Jul. 03, 1934 | W.D. Archea | Machine Tool | milling machines |
| 1,972,633 | Sep. 04, 1934 | W.F. Smith | Milling Machine | milling machines |
| 1,976,106 | Oct. 09, 1934 | W.D. Archea | Machine Tool | milling machines |
| 2,007,967 | Jul. 16, 1935 | F.E. Gardner | Grinding machine | belt sanders |
| 2,050,347 | Aug. 11, 1936 | E.R. Lochman | General utility machine tool | |
| 2,111,299 | Mar. 15, 1938 | O.E. Robbins | Magnetic Sine Table | angle bars and angle plates |
| 2,217,048 | Oct. 08, 1940 | C.W. Floss | Magnetic work holder | magnetic chucks |
| 2,221,279 | Nov. 12, 1940 | L.G. Wheeler | Multiple-boring machine | woodworking horizontal borers |
| 2,244,985 | Jun. 10, 1941 | J.J. Lenert, J.B. Armitage | Machine Tool | milling machines |
| 2,271,532 | Feb. 03, 1942 | C.T. Allmendinger | Combined Work and Tool Holder | drilling and boring tool holders |
| 2,289,693 | Jul. 14, 1942 | J.Y. Blazek | Brake lining grinder | brake maintenance |
| 2,323,319 | Jul. 06, 1943 | C.S. Finnell | Magnetic Guide for Tools | |
