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| Patents for M. Haas | |||||
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| Number | Date | Patentee | Title | Type | |
| 791,725 | Jun. 06, 1905 | C. Sansom | Dividers | dividers | |
| 872,036 | Nov. 26, 1907 | W. Wattie | Machine for Cutting Spiral Oil Channels in Boxes, Bearings, &c. | metalworking machines | |