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| All Patents in class 147/9 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 194,335 | Aug. 21, 1877 | M.L. Deering | Improvement in barrel trussing and hooping machines | ||
 | 4,279,282 | Jul. 21, 1981 | R.N. Whyte | Barrel Hoop Drivers | |