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US Patent: 740,742
Rule
Patentee: James F. Bush (exact or similar names) - Waterville, ME USPTO Classifications: 33/340, 33/342, 33/374, 33/458 Tool Categories: layout tools : levels : wooden levels rules : folding rules Assignees: None Manufacturer: Not known to have been produced Witnesses: James L. Hancock Frank J. Hughes	Patent Dates: Applied: Nov. 20, 1901 Granted: Oct. 06, 1903 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen.
Description: Combination rule, level, and plumb in a two fold wood ruler.

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