| All Patents in class 82/1.2 |
Patents 1 -
10
of 35
      |
| Picture | Number | Date | Patentee | Title |
| | 403,154 | May 14, 1889 | J. Stone | Adjustable Multiple Cutter Boring Bar |
| | 572,037 | Nov. 24, 1896 | J.H. Voorhees | Steam Boiler Tube Cleaner |
| | 941,568 | Nov. 30, 1909 | F. Fleming | Combined Drill and Stay Bolt Cutter |
| | 1,331,322 | Feb. 17, 1920 | A. Connell | Tool Holder for Lathes |
| | 1,449,475 | Mar. 27, 1923 | E.H. Wheeler | Recessing Tool Holder |
| | 2,356,651 | Aug. 22, 1944 | G.A. Chandler | Machine tool |
| | 2,457,040 | Dec. 21, 1948 | W.P. Hall | Boring Head |
| | 2,460,092 | Jan. 25, 1949 | G.L. Binns, C.W. Lacey | Boring Head for Machine Tools |
| | 2,489,719 | Nov. 29, 1949 | H.E. Myers | Boring Head With Facing Feed |
| | 2,495,291 | Jan. 24, 1950 | M.J. Schlitters | Recessing Tool Holder |
