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US Patent: 376,838
Drilling Machine
Patentee: Amos Whitney (exact or similar names) - 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 (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Pratt, Whitney & Co.
Description: This patent was improved on by patent #390,108.

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