| All Patents in class 408/233 |
Patents 1 -
15
of 42
      |
| Number | Date | Patentee | Title | Type |
| 166 | Apr. 17, 1837 | J. Barns | Standing Press | cotton presses |
| 12,551 | Mar. 20, 1855 | I.W. Hoagland | Auger Bit With Detachable Cutting Lip | auger bits |
| 18,909 | Dec. 22, 1857 | W. Kenyon | Screw-cutting machine | nut or bolt making machines |
| 29,883 | Sep. 04, 1860 | J.M. Hathaway | Adjustable Auger | adjustable drill bits |
| 41,517 | Feb. 09, 1864 | G.W. Low | Pump Boring Bits | drill bits |
| 101,164 | Mar. 22, 1870 | J.G. Robinson | Improvement in hub-reamer | wheelwright |
| 124,089 | Feb. 27, 1872 | H.S. Shepardson | Improvement in bits | drill bits |
| 158,090 | Dec. 22, 1874 | C.F. King | Auger with Removable Tip | auger bits |
| 164,999 | Jun. 29, 1875 | G.L. Holt | Twist Drill for Wood | twist drill bits |
| 177,410 | May 16, 1876 | S.W. Martin | Screw Tap | taps and dies |
| 189,719 | Apr. 17, 1877 | J. Flower | Taps and Dies | tap and die holders |
| 216,023 | Jun. 03, 1879 | R.T. Crane | Improvement in Boring and Reaming Tools | tapered reamers |
| 241,481 | May 17, 1881 | L.R. Faught | Boring-bar | drill bits |
| 269,153 | Dec. 12, 1882 | F. Armstrong | Thread Cutting Die | taps and dies |
| 270,258 | Jan. 09, 1883 | J.H. Stickney | Brad-awl | gimlets |
