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US Patent: 208,654
Improvement in Combined Knife and Measuring Rule
Patentees: George Waldman (exact or similar names) - Allentown, PA David Frank (exact or similar names) - Allentown, PA USPTO Classifications: 33/334, 33/501.02, 7/119 Tool Categories: rules layout tools : levels Assignees: None Manufacturer: Not known to have been produced Witnesses: George F. Rupp Edward Ruhe	Patent Dates: Applied: Jul. 17, 1878 Granted: Oct. 01, 1878 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.

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