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US Patent: 3,584,527
Tool and attachments therefor
Patentee:
Donald R. Bosten (exact or similar names) - Pittsburgh, PA

USPTO Classifications:
81/56

Tool Categories:
handheld power tools : handheld impact tools : impact wrenches

Assignees:
Rockwell Mfg. Co. - Pittsburgh, PA

Manufacturer:
Rockwell Mfg. Co. - Pittsburgh, PA

Witnesses:
Unknown

Patent Dates:
Applied: Jul. 29, 1968
Granted: Jun. 15, 1971

Patent Pictures:
USPTO (New site tip)
Google Patents
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Vintage Machinery entry for Delta Specialty/Delta Mfg. Co./Delta-Rockwell/Rockwell Intl.
Description:
"Attachments for making impact wrenches and the like capable of threading a retainer onto a threaded fastener while holding the fastener against rotation."

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