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| Patents for Stevens, Hamilton & Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| CA-42,774 | Apr. 27, 1893 | J.J. Stevens | Spindle drill chuck | drill presses | |
| 503,012 | Aug. 08, 1893 | J.J. Stevens | Attachment for drilling-machines | drill presses | |