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US Patent: 503,012
Attachment for drilling-machines
Patentee: John J. Stevens (exact or similar names) - Galt, ON Canada USPTO Classifications: 74/421R Tool Categories: metalworking machines : drilling and boring : drill presses woodworking machines : wood drilling and boring : drill presses Assignees: None Manufacturer: MacGregor, Gourlay Co., Ltd. - Galt, ON Canada Stevens, Hamilton & Co. - Galt, ON Canada Witnesses: J. Edward Maybee A. M. Neff	Patent Dates: Applied: Nov. 25, 1892 Granted: Aug. 08, 1893 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for MacGregor, Gourlay Co. Vintage Machinery entry for Stevens, Hamilton & Co.
Description: See also patent CA-42,774. "...a certain new and Improved Attachment by which Small Drills may be Advantageously Used in a Large Drilling-Machine..."

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