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All Patents in class 73/772 | |||||
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Number | Date | Patentee | Title | Type | |
2,498,881 | Feb. 28, 1950 | F.R. Eldridge, Jr. | Load Measuring System | machine tool controls | |
2,547,647 | Apr. 03, 1951 | G.N. Levesque | Straightedge |