| All Patents in class 470/181 |
Patents 1 -
10
of 63
      |
| Picture | Number | Date | Patentee | Title |
 | 9,729 | May 17, 1853 | A.H. Longley | Improvement in Machines for Cutting Wooden Screws |
| | 211,742 | Jan. 28, 1879 | A. Johnson | Thread Cutting Tool for Metal Screw Machines |
| | 233,821 | Oct. 26, 1880 | J.H. Vinton | Machine for Cutting Screw Threads |
| | 317,209 | May 05, 1885 | L.C. Rodier | Lathe |
| | 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device |
| | 329,830 | Nov. 03, 1885 | M.W. Grovesteen | Electric Signaling Apparatus for Machinery |
| | 407,537 | Jul. 23, 1889 | G. Landmann | Machine for Making Screws |
 | 564,223 | Jul. 21, 1896 | A.D. Quint | Automatic reversing mechanism for tool-holders |
| | 583,883 | Jun. 08, 1897 | G.R. Baldwin | Tapping Machine |
| | 597,732 | Jan. 25, 1898 | A.J. Morse | Threading Machine |
