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US Patent: 843,833
Grease Cup
Patentee: Charles C. Martens (exact or similar names) - Long Island City, Queens County, NY USPTO Classifications: 184/48.2 Tool Categories: industrial tools : tool lubricators : grease cups Assignees: Nathan Mfg. Co. - New York, NY Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Dec. 10, 1906 Granted: Feb. 12, 1907 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Nathan & Dreyfus; Nathan Mfg. Co.

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