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US Patent: 197,618
Improvement in spring-scales for weighing
Patentee: Mahlon S. Drake (exact or similar names) - Newark, NJ USPTO Classifications: 177/169, 177/231 Tool Categories: specialty tools : scales and balances Assignees: Henry O. Dean - New York, NY Manufacturer: Not known to have been produced Witnesses: C. H. Watson William Millspaugh	Patent Dates: Applied: Aug. 11, 1877 Granted: Nov. 27, 1877 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin

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