| All Patents in class 409/241 |
Patents 1 -
10
of 63
      |
| Picture | Number | Date | Patentee | Title |
| | 540,630 | Jun. 11, 1895 | W.P. Brett | Drilling Machine |
 | 602,381 | Apr. 12, 1898 | F.J. Murphy, F. White | Plumber's Clamp |
| | 889,768 | Jun. 02, 1908 | A.L. De Leeuw | Locking Mechanism for Machine Tools |
 | 943,845 | Dec. 21, 1909 | F.E. Cable, G.G. Porter | Universal milling attachment |
| | 1,018,035 | Feb. 20, 1912 | A.L. De Leeuw | Vise |
| | 1,147,615 | Jul. 20, 1915 | A.L. De Leeuw | Over Arm |
| | 1,260,271 | Mar. 19, 1918 | W. Kramer | Attachment for Lathes and the Like |
| | 1,395,353 | Nov. 01, 1921 | W.C. Osterholm | Universal Tapping Machine |
 | 1,420,147 | Jun. 20, 1922 | C.C. Roberts | Self Supporting Clamp |
 | 1,490,063 | Apr. 08, 1924 | W.S. Tower | Machinist's Clamp |
