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US Patent: 515,550
Gage for Rules
Patentee: John J. McManus (exact or similar names) - San Francisco, CA USPTO Classifications: 33/486 Tool Categories: rules : rule attachments layout tools : marking gauges Assignees: None Manufacturer: Not known to have been produced Witnesses: J. H. Keys E. A. Crammer John Siminic Chas. S. Hyer	Patent Dates: Applied: Jun. 15, 1893 Granted: Feb. 27, 1894 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Ralph Brendler
Description: A simple fence that attaches to a boxwood rule, allowing it to be used as a marking gage.

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