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US Patent: 2,752,030
Magnetic Seal Clamp
Patentee: Warren E. Erickson (exact or similar names) - Madison, Dane County, WI USPTO Classifications: 198/472.1, 198/692, 198/803.6, 221/116, 221/225, 221/236, 221/240, 53/291 Tool Categories: specialty machines : bottle cappers Assignees: Gisholt Machine Co. - Madison, Dane County, WI Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Feb. 08, 1954 Granted: Jun. 26, 1956 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Joel Havens "Vintage Machinery" entry for Gisholt Machine Co.

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