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US Patent: 4,949,943
Multiple air cylinder clamp for vise
Patentee: Leon M. Bernstein (exact or similar names) - Minneapolis, MN USPTO Classifications: 269/136, 269/32 Tool Categories: work holding : vises : machinist vises Assignees: Kurt Mfg. Co., Inc. - Minneapolis, MN Manufacturer: Not known to have been produced Witnesses: Unknown	Patent Dates: Applied: Jul. 10, 1989 Granted: Aug. 21, 1990 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin Vintage Machinery entry for Kurt Mfg. Co.

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