| All Patents in class 83/683 |
Patents 1 -
4
of 4
      |
| Number | Date | Patentee | Title | Type |
| 3,005,369 | Oct. 24, 1961 | F. Koster | Method of Notching and Shearing the Ends of Tubing in the Preparation of Tubular Assemblies | pipe and tube notchers |
| 3,073,195 | Jan. 15, 1963 | F. Koster | Apparatus for Notching the Ends of Tubing in the Preparation of Tubular Assemblies | pipe and tube notchers |
| 3,074,302 | Jan. 22, 1963 | H. May, E. Coulon | Method of Preparing Mitered Tubular Joints | pipe and tube notchers |
| 3,162,078 | Dec. 22, 1964 | H. May, E. Coulon | Apparatus for Preparing Mitered Tubular Joints | pipe and tube notchers |
