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US Patent: 3,052,462
Swivel Pad for C Clamps and the Like
Patentee:
Jack M. Butler (exact or similar names) - Mount Prospect, IL

USPTO Classifications:
269/249, 269/258, 269/261, 269/285

Tool Categories:
work holding : clamps

Assignees:
Armstrong Bros. Tool Co. - Chicago, IL

Manufacturer:
Not known to have been produced

Witnesses:
none listed

Patent Dates:
Applied: Aug. 24, 1960
Granted: Sep. 04, 1962

Patent Pictures:
USPTO (New site tip)
Google Patents
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Armstrong Brothers Tool Co. history
"Vintage Machinery" entry for Armstrong Brothers Tool Co.
Description:
Wolfe, Hubbard, Voit & Osann - patent attorneys

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