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US Patent: 82
Spiral bit with countersink for setting screws
Patentee:
George Page - Keene, NH

USPTO Classifications:
408/223

Tool Categories:
metalworking machines : drilling and boring : drill bits
woodworking tools : hand drills : drill bits

Assignees:
None

Manufacturer:
George Page - Keene, NH

Witnesses:
John Hatch
T. W. Edwards

Patent Dates:
Granted: Nov. 17, 1836

Patent Pictures: [ 1 | 2 ]
Image courtesy and © John Harper
USPTO pdf tiff
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"Vintage Machinery" entry for Page & Co.
Description:
There is no patent drawing available. An example of this bit turned up in 2016 on eBay. It is marked "G. PAGE PATENT". Before this patent was issued the inventor had a business, Page & Co., that manufactured his patent mortising machine, but he had sold that business before he invented this countersinking drill bit.

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