| All Patents in class 408/180 |
Patents 1 -
10
of 23
      |
| Picture | Number | Date | Patentee | Title |
 | 60,430 | Dec. 11, 1866 | J.G. Schmidt | Improvement in machines for cutting bungs for barrels |
| | 150,687 | May 12, 1874 | H. Millward, J.L. Hall | Screw Cutting Machines |
 | 164,953 | Jun. 29, 1875 | F. Willig | Improvement in Expansible Bits |
 | 186,890 | Jan. 30, 1877 | A.J. Smart | Improvement in screw-cutting dies |
 | 521,430 | Jun. 12, 1894 | A.A. Bourgeous | Boring-bit |
 | 881,449 | Mar. 10, 1908 | G.A. Smith | Thread Cutting Device |
 | 1,018,393 | Feb. 20, 1912 | A.B. Landis | Cutter-head |
 | 1,074,466 | Sep. 30, 1913 | C.C. Russell | Screw-plate |
 | 1,130,542 | Mar. 02, 1915 | W. Russell | Screw-cutting die |
 | 1,327,007 | Jan. 06, 1920 | G.A. Anderson | Cutter-head |
