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| All Patents in class 177/134 | |||||
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| Number | Date | Patentee | Title | Type | |
| 278,906 | Jun. 05, 1883 | A.H. Emery | Weighing machinery | scales and balances | |
| 789,846 | May 16, 1905 | E.H. McHenry, R. Elder | Scale | scales and balances | |
| 3,077,236 | Feb. 12, 1963 | M.T. Thorsson, R.W. Settles, J.G. Greendav | Force Measuring System | electrical measuring apparatus | |