All Patents in class 408/139 |
Patents 1 -
10
of 30
      |
Picture | Number | Date | Patentee | Title |
 | 188,773 | Mar. 27, 1877 | M. Bray | Improvement in machines for drilling the shanks of rivets |
| 217,062 | Jul. 01, 1879 | G.T. Chattaway | Chuck Attachment for Lathes |
 | 251,322 | Dec. 20, 1881 | J.A. Gilkerson, J. Vandenburgh | Screw-cutting machine |
| 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device |
 | 385,063 | Jun. 26, 1888 | W. Lodge, H. Dreses | Feeding device for drilling |
| 461,800 | Oct. 20, 1891 | H.B. Pullman | Tapping Device |
| 466,946 | Jan. 12, 1892 | D.J. Hurley | Tapping Device |
 | 499,377 | Jun. 13, 1893 | J. Emig | Chuck |
 | 521,677 | Jun. 19, 1894 | G.H. Smith | Adjustable friction-clutch |
 | 527,064 | Oct. 09, 1894 | M.C. Johnson | Driving-clutch |