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US Patent: 624,101
Drop Hammer
Patentees:
George Rowbottom (exact or similar names) - Waterbury, New Haven County, CT
David C. Griggs (exact or similar names) - Waterbury, New Haven County, CT

USPTO Classifications:
72/439, 72/456

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
Waterbury Farrel Foundry & Machine Co. - Waterbury, New Haven County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Sep. 10, 1898
Granted: May 02, 1899

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Waterbury Farrel Foundry and Machine Co.

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