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| Patents for Oliver Sawyer | |||||
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| Number | Date | Patentee | Title | Type | |
| 165,762 | Jul. 20, 1875 | O. Sawyer | Improvement in sandpapering-machines | sanding machines | |
| 177,018 | May 02, 1876 | O. Sawyer, A. Knowlton, H.C. Knowlton | Improvement in sanding-machines | sanding machines | |
| 241,429 | May 10, 1881 | O. Sawyer | Sanding-machine | chair maker | |
| 445,382 | Jan. 27, 1891 | O. Sawyer | Belt guide and support | belt sanders | |