| All Patents in class 29/890.149 |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| 133,636 | Dec. 03, 1872 | W.T. Farre | Improvement in machines for bending tubing | pipe and tube benders |
| RE5,582 | Sep. 30, 1873 | W.T. Farre | Improvement in the methods of bending tubing | pipe and tube benders |
| 1,253,553 | Jan. 15, 1918 | B.F. Winterhoff | Apparatus for smoothing and calibrating tapered and curved hollow metal bodies, such as bows for wind instruments | music instrument maker |
| 2,038,165 | Apr. 21, 1936 | W.W. Criley | Forging Machine | forging machines |
