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| All Patents in class 177/244 | |||||
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| Number | Date | Patentee | Title | Type | |
| 278,913 | Jun. 05, 1883 | A.H. Emery | Weighing-machine and dynamometer | testing machines | |
| 1,993,624 | Mar. 05, 1935 | E.A. Reussenzehn | Scale support | ||
| 2,258,648 | Oct. 14, 1941 | H.A. Hadley | Understructure for Weighing Scales | scales and balances | |
| 2,607,580 | Aug. 19, 1952 | M.W. Romig | Pendulum scale | ||