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| Patents Granted on 1861-05-28 | |||||
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| Number | Date | Patentee | Title | Type | |
| 32,410 | May 28, 1861 | J.H. Call | Calipers | calipers | |
| 32,418 | May 28, 1861 | W.M. Ferry, Jr. | Sawmill | sawmills | |
| 32,419 | May 28, 1861 | J. Gilman | Feeding and gigging-back movement of sawing-machines | lath making machines | |
| 32,449 | May 28, 1861 | N.R. Merchant | Improvement in boring-machines | cooper | |
| 32,453 | May 28, 1861 | G.B. Phillips | Pipe Wrench | pipe wrenches | |
| 32,455 | May 28, 1861 | P. Shaw | Hot Air Engine | hot air engines | |