| All Patents in class 409/263 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 1,170,010 | Feb. 01, 1916 | M.A. Smith | Automatic metal-shaping machine | metal shapers |
| 1,815,647 | Jul. 21, 1931 | L.H. Blood | Broaching Machine | broaching machines |
| 1,848,044 | Mar. 01, 1932 | L.H. Blood | Broaching Machine | broaching machines |
| 2,025,070 | Dec. 24, 1935 | E.E. Nygren | Metal cutting machine | broaching machines |
| 2,063,955 | Dec. 15, 1936 | B.P. Schiltz | Apparatus for machining metal parts | metalworking machines |
| 2,088,119 | Jul. 27, 1937 | B.P. Schiltz | Method of machining metallic workpieces | metalworking machines |
| 2,282,720 | May 12, 1942 | W.L. Groene | Crankshaft Broaching Lathe | metalworking machine mechanisms |
