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| Patents for James Green Hirst | |||||
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| Number | Date | Patentee | Title | Type | |
| GB-187,403,234 | Sep. 21, 1874 | J. Green, J.G. Hirst | Improvements in morticing machines | mortising machines | |
| GB-187,701,862 | May 12, 1877 | J.G. Hirst, J. Green | Improved floor cramp | floor clamps | |
| GB-187,904,327 | Oct. 23, 1879 | J.G. Hirst | Mortising and boring machines | mortising machines | |