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| Patents for Centre Brook Manufacturing Co. | |||||
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| Number | Date | Patentee | Title | Type | |
| 95,846 | Oct. 12, 1869 | S.A. Smith | Improvement in Combined Bit and Tap | auger bits | |
| 97,166 | Nov. 23, 1869 | H.P. Chapman | Improvement in Extension Bit | adjustable drill bits | |