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US Patent: 697,090
Threshold Gage
Patentee: Edson Orville Keef (exact or similar names) - Lawrence, MA USPTO Classifications: 33/194 Tool Categories: layout tools : special purpose gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: Clifton P. Vose Ethel J. Buxton E. K. Stewart R. W. Elliott	Patent Dates: Applied: Jan. 06, 1902 Granted: Apr. 08, 1902 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens
Description: C. A. Knowles - patent attorney

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