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| Patents for David Philips | |||||
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| Number | Date | Patentee | Title | Type | |
| 5,423X | Apr. 03, 1829 | D. Philips | Mill Stone | mill stones | |
| 7,027X | Apr. 27, 1832 | D. Philips | Cotton press | cotton presses | |
| 7,137X | Jun. 23, 1832 | D. Philips | Machine for moulding and pressing bricks | brick maker | |
| 2,001 | Mar. 12, 1841 | D. Philips | Sawmill | circular sawmills | |
| 6,580 | Jul. 03, 1849 | D. Philips | Circular-saw mill | circular sawmills | |