| All Patents in class 408/139 |
Patents 1 -
15
of 30
      |
| Number | Date | Patentee | Title | Type |
| 188,773 | Mar. 27, 1877 | M. Bray | Improvement in machines for drilling the shanks of rivets | rivet making machines |
| 217,062 | Jul. 01, 1879 | G.T. Chattaway | Chuck Attachment for Lathes | metal lathe chucks |
| 251,322 | Dec. 20, 1881 | J.A. Gilkerson, J. Vandenburgh | Screw-cutting machine | screw machines |
| 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device | tap and die holders |
| 385,063 | Jun. 26, 1888 | W. Lodge, H. Dreses | Feeding device for drilling | drill presses |
| 461,800 | Oct. 20, 1891 | H.B. Pullman | Tapping Device | tap and die holders |
| 466,946 | Jan. 12, 1892 | D.J. Hurley | Tapping Device | tap and die holders |
| 499,377 | Jun. 13, 1893 | J. Emig | Chuck | metal lathe chucks |
| 521,677 | Jun. 19, 1894 | G.H. Smith | Adjustable friction-clutch | drill presses |
| 527,064 | Oct. 09, 1894 | M.C. Johnson | Driving-clutch | metal lathes |
| 572,099 | Dec. 01, 1896 | G. Bettcher | Safety Socket for Taps or Drills | tap and die holders |
| 713,004 | Nov. 04, 1902 | J. Hunter | Tool Holder | tap and die holders |
| 737,231 | Aug. 25, 1903 | E.G. Hayne | Ratcheting Tap Borer | tapered reamers |
| 748,018 | Dec. 29, 1903 | C.J. Rowe | Work and Tool Holder | tool holders |
| 770,966 | Sep. 27, 1904 | J. Hunter | Tool Holder | tap and die holders |
