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| Patents for Lute S. Alter | |||||
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| Number | Date | Patentee | Title | Type | |
| 562,497 | Jun. 23, 1896 | F.S. Smith | Wrench | quick adjust wrenches | |
| 942,222 | Dec. 07, 1909 | I.C. Smith | Valve Grinder | valve grinding tools | |