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US Patent: 825,934
Ruler
Patentee: Edward R. Pierson (exact or similar names) - Elizabeth, NJ USPTO Classifications: 33/483 Tool Categories: rules Assignees: None Manufacturer: Not known to have been produced Witnesses: Nellie Love Hugo Mock J. M. Fowler, Jr. L. L. Morril	Patent Dates: Applied: Feb. 06, 1906 Granted: Jul. 17, 1906 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This draftsman's ruler features finger-holes to allow it to be picked up without touching the edge, which may have ink on it.

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