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| Patents for Henry Green | |||||
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| Number | Date | Patentee | Title | Type | |
| 449,609 | Mar. 31, 1891 | H. Green | Spirit-Level | levels | |
| 450,457 | Apr. 14, 1891 | H. Green | Spirit Level | levels | |
| 538,775 | May 07, 1895 | H. Green, C.J. Green | Rolling Mill | rolling mills | |