| All Patents in class 409/241 |
Patents 1 -
15
of 63
      |
| Number | Date | Patentee | Title | Type |
| 540,630 | Jun. 11, 1895 | W.P. Brett | Drilling Machine | multiple spindle drilling heads |
| 602,381 | Apr. 12, 1898 | F.J. Murphy, F. White | Plumber's Clamp | vises |
| 889,768 | Jun. 02, 1908 | A.L. De Leeuw | Locking Mechanism for Machine Tools | metalworking machine mechanisms |
| 943,845 | Dec. 21, 1909 | F.E. Cable, G.G. Porter | Universal milling attachment | milling machines |
| 1,018,035 | Feb. 20, 1912 | A.L. De Leeuw | Vise | metalworking machine vises |
| 1,147,615 | Jul. 20, 1915 | A.L. De Leeuw | Over Arm | milling machines |
| 1,260,271 | Mar. 19, 1918 | W. Kramer | Attachment for Lathes and the Like | metal lathe accessories and attachments |
| 1,395,353 | Nov. 01, 1921 | W.C. Osterholm | Universal Tapping Machine | tapping machines |
| 1,420,147 | Jun. 20, 1922 | C.C. Roberts | Self Supporting Clamp | vises |
| 1,490,063 | Apr. 08, 1924 | W.S. Tower | Machinist's Clamp | vises |
| 1,499,084 | Jun. 24, 1924 | G.D. Sundstrand | Vertical milling attachment | |
| 1,560,782 | Nov. 10, 1925 | W.H. Hall | Heel-shaping machine | shoemaking |
| 1,658,267 | Feb. 07, 1928 | T. Trecker | Attachment for MachineTools Having a Plurality of Overarms | milling machines |
| 1,685,899 | Oct. 02, 1928 | W.K. Andrew | Clamping Device | clamps |
| 1,799,493 | Apr. 07, 1931 | J.B. Armitage | Over-Arm Clamp for Machine Tools | milling machines |
