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| All Patents in class 217/88 | |||||
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| Number | Date | Patentee | Title | Type | |
| 45,553 | Dec. 20, 1864 | F. Acker | Improvement in bung-staves for barrels | barrel making machines | |
| 90,679 | Jun. 01, 1869 | C. Murdock | Improvement in barrel-staves | barrel making machines | |