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| All Patents in class 73/862.636 | |||||
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| Number | Date | Patentee | Title | Type | |
| 278,912 | Jun. 05, 1883 | A.H. Emery | Dynamometer | testing machines | |
| 361,689 | Apr. 26, 1887 | C.M. Giddings | Recording Dynamometer | dynamometers | |