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US Patent: 159,597
Improvement in Weather-Board Gages
Patentee: David M. Mefford (exact or similar names) - Toledo, OH USPTO Classifications: 33/647 Tool Categories: layout tools : scribes : clapboard markers Assignees: American Invention Co. - Toledo, OH Manufacturer: Not known to have been produced Witnesses: John A. Wiedersheim A. P. Grant L. F. Brous	Patent Dates: Applied: Jan. 20, 1875 Granted: Feb. 09, 1875 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: This clapboard gage uses a spring-loaded block to secure the tool.

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