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US Patent: 214,589
Improvement in feed-indicators for oil-cups
Patentee: Nicholas Seibert (exact or similar names) - Malden, MA USPTO Classifications: 184/50.1 Tool Categories: industrial tools : tool lubricators : oil cups Assignees: None Manufacturer: Seibert Cylinder Oil Cup Co. - Boston, MA Witnesses: Henry C. Sherburne A. S. Brownell	Patent Dates: Applied: Aug. 21, 1878 Granted: Apr. 22, 1879 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Seibert Cylinder Oil Cup Co.

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