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US Patent: 442,720
Grain-weigher
Patentee:
Francis H. Richards (exact or similar names) - Hartford, CT

USPTO Classifications:
177/157, 177/246

Tool Categories:

Assignees:
Pratt & Whitney Co. - Hartford, CT

Manufacturer:
Not known to have been produced

Witnesses:
Henry L. Reckard
Lewis C. Heermann

Patent Dates:
Applied: Mar. 28, 1890
Granted: Dec. 16, 1890

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Pratt & Whitney Co.

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