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GB Patent: GB-191,412,706
Improvements in Pneumatic Hammers
Patentees:
Percy William Allday (exact or similar names) - Birmingham, Warwick County, England
Philip John Wilson (exact or similar names) - Birmingham, Warwick County, England

USPTO Classifications:

Tool Categories:
metalworking machines : forging machines : power hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Granted: Mar. 25, 1915

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for William Allday & Co.

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