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US Patent: 285,711
Fertilizer Attachment for Grain Drills
Patentee: Luther M. Watkins (exact or similar names) - Hagerstown, Washington County, MD USPTO Classifications: 222/485, 222/545, 222/561 Tool Categories: agricultural : crop planters Assignees: Hagerstown Steam Engine & Machine Co. - Hagerstown, Washington County, MD Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Mar. 08, 1883 Granted: Sep. 25, 1883 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Hagerstown Steam Engine & Machine Co.

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