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US Patent: 3,920,088
Power tool with continuous and pulsating torque output cycle
Pneumatic impact wrench
Patentee:
Edmund C. Dudek (exact or similar names) - St. Charles, IL

USPTO Classifications:
173/169, 173/177

Tool Categories:

Assignees:
Thor Power Tool Co. - Aurora, IL

Manufacturer:
Thor Power Tool Co. - Aurora, IL

Witnesses:
Unknown

Patent Dates:
Applied: Nov. 23, 1973
Granted: Nov. 18, 1975

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin
Vintage Machinery entry for Thor Power Tool Co.

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