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| Patents for Greenlee Bros. & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,655,836 | Jan. 10, 1928 | A.H. Hawkinson | Saw Toothed Wood Boring Bit | drill bits | |
| 1,758,069 | May 13, 1930 | J.H. Abramson | Bit Extension | drill bit extensions | |