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| All Patents in class 177/230 | |||||
| Number | Date | Patentee | Title | Type | |
| 3,396 | Jan. 06, 1844 | G.R. Moore | Pendulum Scales | scales and balances | |
| 1,993,606 | Mar. 05, 1935 | W.E. Jones, E.A. Reussenzehn | Scale attachment | ||
| 2,021,489 | Nov. 19, 1935 | K. Rauch | Scale | ||
| 2,408,942 | Oct. 08, 1946 | K.C. Allen, D.A. Meeker | Scale | ||