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US Patent: 403,533
Machine for Slitting Sheets of Tin
Patentee:
William Hipperling (exact or similar names) - New York, NY

USPTO Classifications:
83/118, 83/409, 83/435, 83/435.23, 83/508

Tool Categories:
metalworking machines : sheet metal : cutting and trimming machines

Assignees:
Stephen A. Ginna - Plainfield, Union County, NJ
Richard A. Donaldson - Brooklyn, Kings County, NY

Manufacturer:
Not known to have been produced

Witnesses:
Unknown
Patent Dates:
Applied: Jan. 05, 1889
Granted: May 21, 1889

Patent Pictures:
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