GB Patent: GB-138,467
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Improvements relating to wood mortising machines
Turret-head hollow-chisel and chain-cutter mortiser
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Patentee:
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| William Blackett Haigh (exact or similar names) - Manchester, England |
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Patent Dates:
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| Applied: |
Mar. 15, 1919 |
| Granted: |
Feb. 12, 1920 |
Espacenet patent
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Jeff Joslin
Vintage Machinery entry for Oliver Machinery Co. (UK)
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Description: |
| The William Blackett Haigh who founded W. B. Haigh & Co. lived 1820-1883. The inventor of this patent was perhaps a grandson. |
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