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US Patent: 787,339
Attachment for Drop Hammers
Patentee:
Robert Falconer Massa (exact or similar names) - Chicago, Cook County, IL

USPTO Classifications:
29/DIG.57, 29/DIG.61, 29/DIG.81, 29/DIG.96, 72/427, 72/434, 72/453.18, 74/615, 83/98

Tool Categories:
metalworking machines : forging machines : drop hammers

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Oct. 22, 1904
Granted: Apr. 11, 1905

Patent Pictures:
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