| All Patents in class 408/146 |
Patents 1 -
10
of 29
      |
| Picture | Number | Date | Patentee | Title |
 | 126 | Feb. 16, 1837 | P. Williams | Improvement in Machines for Cutting the Screws of Screw-Bedsteads |
 | 12,677 | Apr. 10, 1855 | J.H. King, H.C. Garvin | Tool for boring hubs |
 | 22,101 | Nov. 16, 1858 | J. Lyon, G.H. Brady | Machine for cutting bungs |
 | 65,422 | Jun. 04, 1867 | G.R. Parker | Improved centring and squaring chucks |
 | 83,348 | Oct. 20, 1868 | P.A. Whitney | Improvement in counter-sink |
 | 180,976 | Aug. 08, 1876 | P.H. Wilms | Improvement in boring-machines |
 | 186,513 | Jan. 23, 1877 | D.J. Adams | Improvement in Countersinks |
 | 205,218 | Jun. 25, 1878 | G.F. Stearns | Improvement in Augers |
| | 209,459 | Oct. 29, 1878 | H.P. Case | Chuck |
| | 295,466 | Mar. 18, 1884 | J.B. Wallace | Cutting Tool |
