| All Patents in class 72/122 |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 260,555 | Jul. 04, 1882 | Z.J. Ferguson | Boiler-tube expander | pipe and tube expanders |
| 410,282 | Sep. 03, 1889 | P. Jardine, J. Jardine | Pipe-expander | pipe and tube expanders |
| 483,920 | Oct. 04, 1892 | A.L. Henderer | Tool for expanding the ends of boiler-tubes | pipe and tube expanders |
| 665,330 | Jan. 01, 1901 | A.J. Langelier | Machine for making blanks for sewing-machine needles or similar articles | specialty machines |
| 800,764 | Oct. 03, 1905 | J.J. Rigby | Necking-machine | metalworking machines |
