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| All Patents of Type: chainsaw sharpeners | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,040,602 | Jun. 26, 1962 | R.R. Carlton | Saw Chain Sharpener and Method | chainsaw sharpeners | |
| 4,242,926 | Jan. 06, 1981 | N.T. Anton | Device for sharpening saw chains | chainsaw sharpeners | |