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US Patent: 409,836
Drop Hammer
Patentee:
Ernst Hammesfahr (exact or similar names) - Solingen, Rhine, Prussia

USPTO Classifications:
72/438, 72/440, 74/25

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: May 14, 1189
Granted: Aug. 27, 1889

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
Description:
Patented in Germany 13 May 1887, #43,744.

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