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US Patent: 648,602
Machine for Cutting Rubber Sealing Rings for Jars, &c.
Patentee: John E. Thropp, Jr. (exact or similar names) - Trenton, Mercer County, NJ USPTO Classifications: 451/246, 82/132, 82/135, 82/79 Tool Categories: specialty machines : material cutting machines Assignees: None Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Oct. 25, 1899 Granted: May 01, 1900 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens

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