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US Patent: 376,838
Drilling Machine
Patentee:
Amos Whitney - Hartford, Hartford County, CT

USPTO Classifications:
269/173, 269/242, 408/35

Tool Categories:
metalworking machines : drilling and boring : center drilling machines

Assignees:
Pratt & Whitney Co. - Hartford, Hartford County, CT

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 25, 1887
Granted: Jan. 24, 1888

Patent Pictures:
USPTO pdf tiff
Google Patents
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"Vintage Machinery" entry for Pratt, Whitney & Co.
Description:
This patent was improved on by patent #390,108.

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