| All Patents in class 470/58 |
Patents 16 -
26
of 26
      |
| Number | Date | Patentee | Title | Type |
| 439,122 | Oct. 28, 1890 | L.B. Curtis | Pipe and Bolt Threading Attachment for Lathes | metal lathe accessories and attachments |
| 458,084 | Aug. 18, 1891 | M.L. Weeks | Attachment for Lathes | metal lathe accessories and attachments |
| 465,827 | Dec. 29, 1891 | H.C. Bradford | Tapping and Thread Cutting Machine | tapping machines |
| 467,787 | Jan. 26, 1892 | P. Baron | Machine for Making Screws | screw machines |
| 622,548 | Apr. 04, 1899 | W.B. Sherman | Axle Cutter | axle cutters and threaders |
| 765,327 | Jul. 19, 1904 | A.M. Stillman | Screw Making Machine | screw machines |
| 835,698 | Nov. 13, 1906 | R. Bartholomäus | Combination Tool | portable turning tools |
| 1,673,979 | Jun. 19, 1928 | L.S. Hall | Cutting off and reaming attachment for threading machines and the like | pipe threading machines |
| 1,758,973 | May 20, 1930 | C. Rasmussen | Pipe-threading machine | pipe threading machines |
| 1,943,643 | Jan. 16, 1934 | W.W. Vosper | Power Tool | pipe threading machines |
| 2,363,033 | Nov. 21, 1944 | C.H. Adams | Double End Tooling Mechanism and Attachment | metalworking machine tool holders |
