| All Patents in class 72/155 |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 92,134 | Jun. 29, 1869 | M.G. Wilder | Improved machine for bending tubes | metal bending machines |
| 106,603 | Aug. 23, 1870 | R. Miller | Improvement in machines for bending volute springs | metal bending machines |
| 618,408 | Jan. 31, 1899 | E.A. Franklin | Machine for Forming Sheet Metal | sheet metal forming rolls |
| 878,604 | Feb. 11, 1908 | L.H. Brinkman | Machine for Bending Pipe | pipe bending machines |
| 2,444,718 | Jul. 06, 1948 | C.J. Bath | Contour Forming Machine Having a Pivoted Bender With Metal Blank Attached | metal bending machines |
| 2,501,241 | Mar. 21, 1950 | R.M. Shaw, Jr. | Bending Machine | metal bending machines |
| 2,514,830 | Jul. 11, 1950 | C.J. Bath | Metal Stretching and Contour Forming Machine | metal stretch forming machines |
| 2,514,831 | Jul. 11, 1950 | C.J. Bath | Apparatus for Selectively Wipe Forming and Stretch Forming Metal Stock | metal stretch forming machines |
