| All Patents in class 408/151 |
Patents 1 -
15
of 31
      |
| Number | Date | Patentee | Title | Type |
| 113,740 | Apr. 18, 1871 | J.M. Carpenter | Improved Machine for Cutting Screws | metal threading machines |
| 244,427 | Jul. 19, 1881 | W.L. Bergen | Screw Cutting Device | taps and dies |
| 409,208 | Aug. 20, 1889 | A.B. Landis | Screw-cutting head | screw machines |
| 409,253 | Aug. 20, 1889 | R. Pemberton, J.H. Sternbergh | Screw Cutting Die Stock | tap and die holders |
| 585,204 | Jun. 29, 1897 | C.A. Higbee | Thread-cutting tool | metal threading machines |
| 643,713 | Feb. 20, 1900 | O.E. Converse | Boring attachment for metal-working lathes | metal lathe accessories and attachments |
| 1,017,883 | Feb. 20, 1912 | A.B. Landis | Cutter-head | metal threading machines |
| 1,017,885 | Feb. 20, 1912 | A.B. Landis | Cutter-head | metal threading machines |
| 1,017,886 | Feb. 20, 1912 | A.B. Landis | Cutter-head | metal threading machines |
| 1,017,887 | Feb. 20, 1912 | A.B. Landis | Cutter-head | metal threading machines |
| 1,017,888 | Feb. 20, 1912 | A.B. Landis | Cutter-head | metal threading machines |
| 1,018,394 | Feb. 20, 1912 | A.B. Landis | Cutter-head | metal threading machines |
| 1,127,457 | Feb. 09, 1915 | A.B. Landis | Cutter-head | metal threading machines |
| 1,220,348 | Mar. 27, 1917 | A.B. Landis | Cutter-head | metal threading machines |
| 1,221,193 | Apr. 03, 1917 | A.B. Landis | Cutter-head | metal threading machines |
