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| Patents for George R. Hay | |||||
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| Number | Date | Patentee | Title | Type | |
| 25,014 | Aug. 09, 1859 | G.R. Hay | Improved machine for cutting out wooden ware | specialty woodworking machines | |
| 48,486 | Jun. 27, 1865 | G.R. Hay | Improvement in stave-machines | barrel making machines | |
| 65,080 | May 28, 1867 | G.R. Hay | Improvement in machines for jointing staves | barrel making machines | |
| 122,828 | Jan. 16, 1872 | G.R. Hay | Improvement in machines for planing barrel-heads | cooper | |