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US Patent: 310,631
Shingling Bracket
Patentee: George W. Adams (exact or similar names) - Boston, MA USPTO Classifications: 248/237 Tool Categories: Assignees: None Manufacturer: Not known to have been produced Witnesses: C. A. Shaw L. J. White	Patent Dates: Applied: May 10, 1884 Granted: Jan. 13, 1885 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Russ Allen
Description: One of these appears to have been in a Martin Donnelly auction labeled with its earlier Canadian patent CA-20585

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