| All Patents in class 408/146 |
Patents 1 -
15
of 27
      |
| Number | Date | Patentee | Title | Type |
| 126 | Feb. 16, 1837 | P. Williams | Improvement in Machines for Cutting the Screws of Screw-Bedsteads | wood threading machines |
| 12,677 | Apr. 10, 1855 | J.H. King, H.C. Garvin | Tool for boring hubs | wheelwright |
| 22,101 | Nov. 16, 1858 | J. Lyon, G.H. Brady | Machine for cutting bungs | bung making machines |
| 65,422 | Jun. 04, 1867 | G.R. Parker | Improved centring and squaring chucks | metal lathe chucks |
| 83,348 | Oct. 20, 1868 | P.A. Whitney | Improvement in counter-sink | countersinks |
| 180,976 | Aug. 08, 1876 | P.H. Wilms | Improvement in boring-machines | wood drilling and boring |
| 186,513 | Jan. 23, 1877 | D.J. Adams | Improvement in Countersinks | countersinks |
| 205,218 | Jun. 25, 1878 | G.F. Stearns | Improvement in Augers | auger bits |
| 209,459 | Oct. 29, 1878 | H.P. Case | Chuck | metal lathe chucks |
| 295,466 | Mar. 18, 1884 | J.B. Wallace | Cutting Tool | drill bits |
| 383,210 | May 22, 1888 | S.A. Brumbaugh | Automatic Feed for Boring Bars | boring bars |
| 532,472 | Jan. 15, 1895 | S.B. Minnich | Countersink-tool | countersinks |
| 611,254 | Sep. 27, 1898 | A.R. Jackson | Tool for Facing Castings | lathe tools |
| 1,249,642 | Dec. 11, 1917 | P.B. Lindfors | Adjustable Tool Holder for Milling Machines | metalworking machine tool holders |
| 1,452,172 | Apr. 17, 1923 | R.F. Scott | Drill-spindle-adjusting mechanism | multiple spindle drill presses |
