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| All Patents in class 241/85 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 120,521 | Oct. 31, 1871 | A. Lent, E. Hitt | Improvement in machines for upsetting tires | ||
 | 2,406,904 | Sep. 03, 1946 | F.W. Roberts | Wood Grinding Machine | |