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US Patent: 473,234
Grain-drill
Patentees:
Edward Christman (exact or similar names) - Louisville, KY
William G. Munn (exact or similar names) - Louisville, KY

USPTO Classifications:
111/66

Tool Categories:
agricultural : crop planters

Assignees:
Brennan & Co., South Western Agricultural Works - Louisville, KY

Manufacturer:
Brennan & Co., South Western Agricultural Works - Louisville, KY

Witnesses:
J. C. Downing
Lyman L. Parks

Patent Dates:
Applied: Jan. 28, 1892
Granted: Apr. 19, 1892

Patent Pictures:
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Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Brennan & Co., South Western Agricultural Works

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