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| Patents for John A. Lidback | |||||
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| Number | Date | Patentee | Title | Type | |
| 508,029 | Nov. 07, 1893 | J.A. Lidback | Combination Metal Working Machine | metal shapers | |
| 538,334 | Apr. 30, 1895 | J.A. Lidback | Lathe Chuck | metal lathe chucks | |