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US Patent: 629,539
Boring and excavating implement
Patentee: John Bertram (exact or similar names) - Dundas, ON Canada USPTO Classifications: 175/17, 175/18, 175/215, 175/393, 175/394 Tool Categories: Assignees: James A. Stirling - Hamilton, ON Canada Samuel C. Rogers - Buffalo, NY Alexander H. Bertram - Dundas, ON Canada John Bertram - Dundas, ON Canada Manufacturer: Not known to have been produced Witnesses: Frank Cronin Thomas Hickey	Patent Dates: Applied: Jul. 11, 1898 Granted: Jul. 25, 1899 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Samuel C. Rogers & Co. Vintage Machinery entry for John Bertram & Sons

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