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US Patent: 2,757,007
Shank and bushing assembly for pneumatic tools
Patentee: Sylvan N. Levy (exact or similar names) - Wilmington, DE USPTO Classifications: 279/102, 279/103, 279/19.6 Tool Categories: industrial tools : pneumatic tools handheld power tools : handheld impact tools : impact chisels and drills tool making : making chisels Assignees: Delaware Tool Steel Corp. - Wilmington, DE Manufacturer: Delaware Tool Steel Corp. - Wilmington, DE Witnesses: Unknown	Patent Dates: Applied: May 29, 1953 Granted: Jul. 31, 1956 Patent Pictures: USPTO (New site tip) Google Patents Report data errors or omissions to steward Jeff Joslin 1959 catalog from Delaware Tool Steel Corp.
Description: Pneumatic chisels, punches and caulking irons were manufactured under the "Delsteel" brand by the assignee.

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