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US Patent: 2,561,577
Pneumatic Impact Pullers and the Like
Patentee:
Raymond G. Knudsen (exact or similar names) - Kenosha, WI

USPTO Classifications:
173/131, 173/132, 173/170, 254/93R, 29/252, 29/254, 29/DIG.46, 91/234, 91/235

Tool Categories:

Assignees:
Snap-On Tools Corp. - Kenosha, WI

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Aug. 01, 1947
Granted: Jul. 24, 1951

Patent Pictures:
USPTO (New site tip)
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Snap-On Tools Company History
Description:
Harry C. Alberts - patent attorney

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