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US Patent: 68,362
Improved drilling machine
Patentee:
William D. Grimshaw - Newark, NJ

USPTO Classifications:
144/92, 408/91

Tool Categories:
metalworking machines : drilling and boring
woodworking machines : wood drilling and boring

Assignees:
None

Manufacturer:
Not known to have been produced

Witnesses:
Charles H. Smith
George D. Walker

Patent Dates:
Granted: Sep. 03, 1867
Antedated: Aug. 18, 1867

Patent Pictures:
USPTO pdf tiff
Google Patents
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