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| All Patents in class 60/486 | |||||
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| Number | Date | Patentee | Title | Type | |
| 124,574 | Mar. 12, 1872 | W.W. Hanscom | Improvements in Traction Engine | steam traction engines | |
| 1,996,467 | Apr. 02, 1935 | H. Ernst | Electromagnetic Hydraulic Control | hydraulic apparatus | |
| 2,037,262 | Apr. 14, 1936 | F.A. Parsons | Transmission Mechanism | milling machines | |