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All Patents in class 177/178 | |||||
Number | Date | Patentee | Title | Type | |
1,993,592 | Mar. 05, 1935 | F.M. Carroll | Weighing scale | ||
2,224,281 | Dec. 10, 1940 | G.D. Webber | Measuring Instrument | measurement gauges | |
2,723,113 | Nov. 08, 1955 | J.M. Sherman, D.A. Meeker | Scale |