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| All Patents in class 172/195 | |||||
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| Number | Date | Patentee | Title | Type | |
| 8,802 | Mar. 16, 1852 | J. Lattimer | Improvement in Shovel Plows | plows | |
| 36,245 | Aug. 19, 1862 | C.E. Steller | Improvement in Sod Cutters | ||