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