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US Patent: 858,431
Stair-Gage
Patentee: William H. Wiegmann (exact or similar names) - Fort Wayne, IN USPTO Classifications: 249/14, 33/420 Tool Categories: layout tools : special purpose gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Watts P. Denny Augusta Viberg Auguste Spiegel	Patent Dates: Applied: Mar. 18, 1907 Granted: Jul. 02, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This is a tool designed for laying out stair treads and risers, complete with the proper tapering trenches.

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