| All Patents in class 82/1.2 |
Patents 1 -
15
of 31
      |
| Number | Date | Patentee | Title | Type |
| 403,154 | May 14, 1889 | J. Stone | Adjustable Multiple Cutter Boring Bar | boring bars |
| 572,037 | Nov. 24, 1896 | J.H. Voorhees | Steam Boiler Tube Cleaner | boiler repair tools |
| 941,568 | Nov. 30, 1909 | F. Fleming | Combined Drill and Stay Bolt Cutter | boiler repair tools |
| 1,331,322 | Feb. 17, 1920 | A. Connell | Tool Holder for Lathes | lathe tool holders and tool posts |
| 1,449,475 | Mar. 27, 1923 | E.H. Wheeler | Recessing Tool Holder | metalworking machine tool holders |
| 2,457,040 | Dec. 21, 1948 | W.P. Hall | Boring Head | boring heads |
| 2,460,092 | Jan. 25, 1949 | C.W. Lacey, G.L. Binns | Boring Head for Machine Tools | boring heads |
| 2,489,719 | Nov. 29, 1949 | H.E. Myers | Boring Head With Facing Feed | boring heads |
| 2,495,291 | Jan. 24, 1950 | M.J. Schlitters | Recessing Tool Holder | lathe tool holders and tool posts |
| 2,521,619 | Sep. 05, 1950 | H.H. Weld | Grooving or Necking Mechanism | automatic lathes |
| 2,540,520 | Feb. 06, 1951 | J.H. Hoern | Machine | horizontal drilling machines |
| 2,590,068 | Mar. 18, 1952 | A.F. Pekrul | Combined Boring and Turning Tool | boring bars |
| 2,716,360 | Aug. 30, 1955 | W.D. Walters, S.A. Cogsdill | Deburring Tool | deburring tools |
| 2,771,798 | Nov. 27, 1956 | H.R. De Vlieg | Grooving or facing head | milling machine cutters |
| 2,804,786 | Sep. 03, 1957 | G.D. Stenger | Boring Tool Holder | drilling and boring tool holders |
