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| Patents for Israel H. Johnson Jr. | |||||
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| Number | Date | Patentee | Title | Type | |
| 759,111 | May 03, 1904 | I.H. Johnson, Jr. | Variable Speed Gear for Motor Diven Lathes or Other Tools | metalworking speed changing mechanisms | |
| 807,274 | Dec. 12, 1905 | I.H. Johnson, Jr. | Gearing for Lathes or Other Tools | metalworking machine mechanisms | |