| All Patents in class 72/398 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 133,636 | Dec. 03, 1872 | W.T. Farre | Improvement in machines for bending tubing | pipe and tube benders |
| RE5,581 | Sep. 30, 1873 | W.T. Farre | Improvement in machines for bending tubing | pipe and tube benders |
| 650,049 | May 22, 1900 | E.P. Lynch | Former for Bending Angle-Beams | metal bending machines |
| 1,046,088 | Dec. 03, 1912 | P. Kruse | Machine for making can-bodies | can making machines |
| 2,645,142 | Jul. 14, 1953 | O. Schwenzfeler | Spark Plug Adjusting Pliers | spark plug adjusting |
| 2,670,643 | Mar. 02, 1954 | W.H. Clark | Spark Gap Adjusting Pliers | spark plug adjusting |
