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All Patents in class 116/304 | |||||
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Number | Date | Patentee | Title | Type | |
2,880,643 | Apr. 07, 1959 | K.C. Allen, E.A. Reussenzehn | Computing scale | ||
2,906,233 | Sep. 29, 1959 | H. Goldberg, E.A. Reussenzehn | Computing scale |