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| All Patents in class 227/137 | |||||
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| Number | Date | Patentee | Title | Type | |
| 452,519 | May 19, 1891 | G.W. Fernald | Dowel driver and setter | dowel insertion machines | |
| 1,089,530 | Mar. 10, 1914 | R.C. Brown | Automatic double gluer and driving machine | dowel insertion machines | |
| 1,460,459 | Jul. 03, 1923 | J.L. Walker | Barrel-making machine | barrel making machines | |