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All Patents in class D10/91 | |||||
Number | Date | Patentee | Title | Type | |
D138,856 | Sep. 19, 1944 | H. Dreyfuss | Weighing Scale | scales and balances | |
D172,247 | May 18, 1954 | S.S. Ridenour | Combined Weight Indicator and Recorder | scales and balances | |
D186,286 | Oct. 06, 1959 | H.D. Laauve | Counter Scale | scales and balances |