| All Patents in class 470/96 |
Patents 1 -
10
of 80
      |
| Picture | Number | Date | Patentee | Title |
| | 19,752 | Mar. 30, 1858 | R.H. Cole | Screw Cutting Machine |
 | 79,971 | Jul. 14, 1868 | E. Gould | Improved screw-threading machine |
| | 141,299 | Jul. 29, 1873 | C.C. Walworth | Screw Cutting Machines |
 | 162,194 | Apr. 20, 1875 | E. Schlenker | Improvement in bolt-threading machines |
| | 312,700 | Feb. 24, 1885 | M. Blakey | Machine for Making Tapered Threaded Sockets |
| | 318,654 | May 26, 1885 | J.L. Rathbun | Tapping Device |
| | 329,830 | Nov. 03, 1885 | M.W. Grovesteen | Electric Signaling Apparatus for Machinery |
 | 332,242 | Dec. 15, 1885 | W. Evans | Drill-press |
 | 357,807 | Feb. 15, 1887 | E. Allen, D.S. Henrie | Drilling-machine |
| | 423,729 | Mar. 18, 1890 | J.H. Newbury, G.A. Chapman | Device for Cutting Screw Threads |
