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GB Patent: GB-187,704,614
Improvements in mortising machines to be worked by steam-power
Patentee: William Blackett Haigh (exact or similar names) - Oldham, England USPTO Classifications: Tool Categories: woodworking machines : joint making machines : mortising machines woodworking machines : wood drilling and boring : mortising machines Assignees: None Manufacturer: W. B. Haigh & Co., Ltd. - Oldham, county Lancaster, England Witnesses: Unknown	Patent Dates: Granted: Dec. 05, 1877 Patent Pictures: Espacenet patent Report data errors or omissions to steward Jeff Joslin "Vintage Machinery" entry for W. B. Haigh & Co., Ltd.
Description: This patent went void in late 1880 due to non-payment of the Stamp Duty owed at the end of the third year of the patent term.

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