| Patents for John A. Hansen |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 2,952,065 | Sep. 13, 1960 | J.A. Hansen, K.A. Riedel | Twin Spindle Milling and Boring Machine | milling machines |
| 2,952,170 | Sep. 13, 1960 | K.A. Riedel, C.A. Parske, J.A. Hansen | Machine Tool with a Mechanical Cutting Tool Changer | milling machines |
| 2,956,454 | Oct. 18, 1960 | J.A. Hansen | Index Mechanism for a Combination Machine Tool | milling machine accessories |
| 2,992,565 | Jul. 18, 1961 | K.A. Riedel, J.A. Hansen | Automatic Speed Change Mechanism | milling machines |
| 3,010,371 | Nov. 28, 1961 | J.A. Hansen, K.A. Riedel | Machine Tool Transfer Mechanism | milling machines |
| 3,031,902 | May 01, 1962 | J.A. Hansen, C.A. Parske | Index Mechanism | milling machines |
| 3,052,011 | Sep. 04, 1962 | R.K. Sedgwick, J.A. Hansen, W.E. Brainard, H.J. Baechle, C.B. Sipek | Machine Tool with a Mechanical Cutting Tool Changer | milling machines |
| 3,054,333 | Sep. 18, 1962 | C.B. Sipek, R.K. Sedgwick, J.A. Hansen, W.E. Brainard | Machine Tool Indexing and Pallet Clamping Mechanism | milling machines |
