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US Patent: 983,226
Grinding Machine
Patentee:
Bengt M. W. Hanson (exact or similar names) - Hartford, Hartford County, CT

USPTO Classifications:
451/273

Tool Categories:
metalworking machines : grinders

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

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Apr. 09, 1910
Granted: Jan. 31, 1911

Patent Pictures:
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Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pratt, Whitney & Co.

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