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| All Patents in class 92/85A | |||||
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| Number | Date | Patentee | Title | Type | |
| 541,785 | Jun. 25, 1895 | J.F. Doolittle | Steam Hammer | steam hammers | |
| 649,357 | May 08, 1900 | W.H. Ridgway | Hoisting apparatus | hoists, winches, come-alongs | |
| 1,588,972 | Jun. 15, 1926 | M. Machacek | Hydraulic feeding mechanism for mortising machines | mortising machines | |